OpenTechnical

OT-2026-000057293

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057293) never changes.

Identity and time

Publication numberOT-2026-000057293 · never reused
Internal UUID01a0ae87-d5bc-7bf3-a748-c32aa74ba04d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057293
StatusPUBLIC

Content hashes

Canonical text65c70c0f05b4eccf14efa5d2bcb14c3827875773e36850100684a088dec4a206
Markdown8e9cacab5bf3622f32e55991eef3d369eb4d2c2b22baf7851c304994c7a5b8f0
PDF
Publication page15cc3bfc2cd75bb2173a1485baad861295a8b7e223d57e315c63cf8cb1c24890
Manifest60db5f9896eb31ecee4a4eaf3303990ab620f716373e75340b95214a55df33a7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturex9y9O2zwWT+xKh8XoIA2ffqiOBexSvw3iTttoshGtUC51KLBJycWg8MqhK2TfJ2yam36dn6RLPlBjYx1AXa1DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:22.406382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057293
observed 15cc3bfc2cd75bb2173a1485baad8612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.387421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057293/manifest.json
observed 60db5f9896eb31ecee4a4eaf3303990a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.369941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057293/publication.md
observed 8e9cacab5bf3622f32e55991eef3d369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.351815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057293/publication.txt
observed 65c70c0f05b4eccf14efa5d2bcb14c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.020687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057293
observed 15cc3bfc2cd75bb2173a1485baad8612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:32.999996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057293/manifest.json
observed 60db5f9896eb31ecee4a4eaf3303990a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:32.983474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057293/publication.md
observed 8e9cacab5bf3622f32e55991eef3d369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:32.966147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057293/publication.txt
observed 65c70c0f05b4eccf14efa5d2bcb14c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.