OpenTechnical

OT-2026-000072736

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000072736) never changes.

Identity and time

Publication numberOT-2026-000072736 · never reused
Internal UUID01a0ae92-89da-73a0-b792-7f4dc74cf6de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072736
StatusPUBLIC

Content hashes

Canonical textfbf3e78e3c9733681e225444b4f4542951e1d6de86c0631682e1b4021d902568
Markdown58081166311052d3a04c5c654389df286cd421fe6855392768d6553cefe9793a
PDF
Publication page198f18b5f89cd729fc1446d83584d239ce21299331814b0753ecc9cd90e27872
Manifest6506e4bf7b0ff939bbbf8a91cd54756df2b91241c60832b1f761ac3541d9f0ac

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
Signature68FCzD4Y+M6k9+CSFNlvn0yt7asUJ3LdjqCPWh/y6WSkrLMDfZAlM61Eu/aJgWmnPqkowUR2ayvPSHOEY8X0Aw==
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

2026-09-17T10:22:38.330106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072736
observed 198f18b5f89cd729fc1446d83584d239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:38.313164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072736/manifest.json
observed 6506e4bf7b0ff939bbbf8a91cd54756d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:38.295201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072736/publication.md
observed 58081166311052d3a04c5c654389df28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:38.276051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072736/publication.txt
observed fbf3e78e3c9733681e225444b4f45429...
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.