OpenTechnical

OT-2026-000049882

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000049882) never changes.

Identity and time

Publication numberOT-2026-000049882 · never reused
Internal UUID01a0ae81-fd76-7f0b-b21e-4828847db1b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049882
StatusPUBLIC

Content hashes

Canonical text3b0d0a1239d5d5bcade3a055c9cf95625613d2529ed13a318880bf504a71e653
Markdown39e24047927fa11a1f61ab4d241419b4955afaf22169c397cea507d6c7bf948b
PDF
Publication page774fece5802f06da52c06ef1cbd7ee6d3eb30df006e744999295ae1134db0c8d
Manifest7f87e09c953f12d780c5deffae2814a3cde695bf3ccf061b6a4ff21ccc9bb496

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
Signature8fARZw6rsCU4VF379CGY8BuBGInTiDtdcc3M4OFf/ly7PeJIipST1TYBZHrJAuwJBiMiCeE4vjYhAA17ED2ODg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:01:47.791023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049882
observed 774fece5802f06da52c06ef1cbd7ee6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.772860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049882/manifest.json
observed 7f87e09c953f12d780c5deffae2814a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.753133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049882/publication.md
observed 39e24047927fa11a1f61ab4d241419b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.733946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049882/publication.txt
observed 3b0d0a1239d5d5bcade3a055c9cf9562...
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.