OpenTechnical

OT-2026-000057091

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000057091) never changes.

Identity and time

Publication numberOT-2026-000057091 · never reused
Internal UUID01a0ae87-d5b8-7aff-8b3e-a6263dc04569 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057091
StatusPUBLIC

Content hashes

Canonical texta55b825787baa4a4594615cdb7dc068c2a2b69935926499c7ada018ba434cdbd
Markdown8ef4c938218e0882fd58af6b87fc3e2b151045207456efa0bdb4d49976aa7914
PDF
Publication pageb7e32afb2381b11c316aac963297f12ce57ef14dd20c6eb029167d225d7d9ff0
Manifestdfab9c6659eef524df774e2bc3489a7eac94a6688d4e3d05540ccac7f87005ca

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
Signatureas3c+MspGq0Nhi8eHik17Vj41nADSij7+Dj1OB8BmIRZAgaytMx3QpQ9Z+uE60inrgWOe+YDjx6/PHj7uOeCDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:40.476858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057091
observed b7e32afb2381b11c316aac963297f12c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.457422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057091/manifest.json
observed dfab9c6659eef524df774e2bc3489a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.439117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057091/publication.md
observed 8ef4c938218e0882fd58af6b87fc3e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:40.420455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057091/publication.txt
observed a55b825787baa4a4594615cdb7dc068c...
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.