OpenTechnical

OT-2026-000027934

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000027934) never changes.

Identity and time

Publication numberOT-2026-000027934 · never reused
Internal UUID01a0ae72-a4a5-7024-a51b-0c6e74e829ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027934
StatusPUBLIC

Content hashes

Canonical text29b2a595df4f923b83c19b6a6f2027d344cc17955454f96c7512158ed064429e
Markdown3e90a573c128902864ae9f3a44c724da08213795fc301a1aadfafa043b9b0498
PDF
Publication page90a3f593df52a642edf0e13b9a26a054020c2f2ed179d0156d483987701fe8d9
Manifest4a0fbac81738a04b3e2db200205874f52f2e63fc15a22212f25634db49f3b4db

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
SignatureAZb/K1H+fPRgkfmYVzeiijufL44a12gJ6RKl71B2Ha7U22yOPadJ+m25WgQmi9EO5YTHtgFHhkKDx5sGyFlBBQ==
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

2026-09-17T11:42:06.841646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027934
observed 90a3f593df52a642edf0e13b9a26a054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.824466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027934/manifest.json
observed 4a0fbac81738a04b3e2db200205874f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.805919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027934/publication.md
observed 3e90a573c128902864ae9f3a44c724da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.788031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027934/publication.txt
observed 29b2a595df4f923b83c19b6a6f2027d3...
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.