OpenTechnical

OT-2026-000082132

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000082132) never changes.

Identity and time

Publication numberOT-2026-000082132 · never reused
Internal UUID01a0ae97-4d93-712a-80a3-45349d0687fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082132
StatusPUBLIC

Content hashes

Canonical text9afcf08a7480c5253e64106e1f7f0d691cb122279ed624093a60179f6f9565db
Markdowna0de39e002e7adb611ccedba512cfaddb25ec86d9928130ba00b26641adf07ad
PDF
Publication page1857d605971d22f7ff0691945df8be5a20ae6ff77fb1b887118af0eff57ec9bb
Manifest33f8511c1c24bbcc80486ae345dc740a2dfbf37d379d182770841853e954055b

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
SignatureRrhmT4tl5lbgoZdTffKjOb4Huw04AoEJrro8w9H7aEVyIyDZW8IFG3AJEik12b/kN2zAMd94RNGOlOR09VqLDA==
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

2026-09-17T09:58:56.889911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082132
observed 1857d605971d22f7ff0691945df8be5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.871364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082132/manifest.json
observed 33f8511c1c24bbcc80486ae345dc740a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.853497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082132/publication.md
observed a0de39e002e7adb611ccedba512cfadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.833699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082132/publication.txt
observed 9afcf08a7480c5253e64106e1f7f0d69...
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.