OpenTechnical

OT-2026-000074736

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000074736) never changes.

Identity and time

Publication numberOT-2026-000074736 · never reused
Internal UUID01a0ae93-ac2b-7206-9b2b-94dc4a45a639 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074736
StatusPUBLIC

Content hashes

Canonical textd93555c1a24e5c84a597d2825bf6bcbbc8594ad809e031a7891ac72b3b16d68f
Markdown7ff6d4b284ed892a87170773d904c1f22bec1dc2b40ba4636e3132a1809dc54e
PDF
Publication pagec6243706beca118981094e5b3607def5404ac1ceb14650a61dd48d78bb74ccf1
Manifestbe11fe3d6df3e2ca3244c582d493e23b60e29752293309c84ccc5f9579d1a834

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
SignatureTc1ADrXVrnB/gNtWkmlLZOCr5AX5eCSU0CO+mwRgSMj8XWcG9movSTeRGls0I7khGcs5XNtnCJ2XwhlaV+rVBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:20.273613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074736
observed c6243706beca118981094e5b3607def5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:20.256059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074736/manifest.json
observed be11fe3d6df3e2ca3244c582d493e23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:20.239625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074736/publication.md
observed 7ff6d4b284ed892a87170773d904c1f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:20.219992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074736/publication.txt
observed d93555c1a24e5c84a597d2825bf6bcbb...
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.