OpenTechnical

OT-2026-000057039

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000057039) never changes.

Identity and time

Publication numberOT-2026-000057039 · never reused
Internal UUID01a0ae87-d5b6-7dd0-a731-5eead92fc6b4 · 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-2026-000057039
StatusPUBLIC

Content hashes

Canonical textd96394eb3d925bcad49616ef2a170e17e88afe24839c41b2fd20fcd9527c5691
Markdownf1028eba35f43825f3d5c371fe2848d3fdae61632e7c8ac76d33a6f451f69cf0
PDF
Publication page557a383e40fee905a1c2a64e10d2d8ab88bd3275008f48e2b1eb3f1b60d45bcb
Manifest3b0af42d416c6d9411ad9bac372ed2c8d1021a92f523217f2908cbe4f53e417e

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
Signature/FiP72hu3+JfKVku9nyOFO6E8JCACsHJcnZs2b1srmuDiue9gABZjiBqXAi1Ux4j9pl5cW7yY5Kjo5xwQ+3NCw==
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

2026-09-17T10:48:31.320380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057039
observed 557a383e40fee905a1c2a64e10d2d8ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.301642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057039/manifest.json
observed 3b0af42d416c6d9411ad9bac372ed2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.283484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057039/publication.md
observed f1028eba35f43825f3d5c371fe2848d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.264224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057039/publication.txt
observed d96394eb3d925bcad49616ef2a170e17...
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.