OpenTechnical

OT-2026-000041227

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold 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-2026-000041227) never changes.

Identity and time

Publication numberOT-2026-000041227 · never reused
Internal UUID01a0ae79-b143-72ec-853d-7373a5408c19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041227
StatusPUBLIC

Content hashes

Canonical text8929ccc3b40ee5528155c23b544f7b2093bfd33577040e803d4c3a2fe035717a
Markdown578dd67f9f239418994b3bb1825ca3e203322049a1bdb053c344d2a9ae2fe01a
PDF
Publication pageec218e5e22a5d8788f4e1ad8cb3cb3f9befce5849553c5586350a816215df33c
Manifest56d3c176d218de0027edaf97e544fd871e3a6fd6682f5339749375ce8bf7e282

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
SignatureQliVOe1V8GAT9O+B5cBIaIFFtj+GoU5y7wTUnMNtw5rQAnUi2L0TTVPGKK48sjzWDOq0gr8nMoh0xBiNeKLNBQ==
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

2026-09-17T11:17:11.455979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041227
observed ec218e5e22a5d8788f4e1ad8cb3cb3f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.439129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041227/manifest.json
observed 56d3c176d218de0027edaf97e544fd87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.421923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041227/publication.md
observed 578dd67f9f239418994b3bb1825ca3e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.404311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041227/publication.txt
observed 8929ccc3b40ee5528155c23b544f7b20...
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.