OpenTechnical

OT-2026-000026844

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained 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-2026-000026844) never changes.

Identity and time

Publication numberOT-2026-000026844 · never reused
Internal UUID01a0ae72-3452-74ad-97b7-5a9a68f45ead · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026844
StatusPUBLIC

Content hashes

Canonical texteb5d21c170ef3d1c8ae95757a2118132bd3bfe9fa0cfa12d85d6672020965909
Markdownb10c31962aaca3bcdc79652b413529675e9d1ea209cfac3a05d7c4b14287ac52
PDF
Publication pagea7c29ce5f447be45f26f6506bd8c1820d16fb526737610da397a238499a32203
Manifest93db6fc9c16ddae211155b0f01984a68c15e4d6339459bda62127754bf3dbcea

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
SignatureI4OevJ81HADlINc1KXeGBLpSioz2wnH9g5clNreXSI3K247/TSHOwl7h+Je8cIbSP7a1MhWWAaUTt9+lZ6FUAQ==
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

2026-09-17T11:43:26.293810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026844
observed a7c29ce5f447be45f26f6506bd8c1820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.266262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026844/manifest.json
observed 93db6fc9c16ddae211155b0f01984a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.248850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026844/publication.md
observed b10c31962aaca3bcdc79652b41352967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.229845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026844/publication.txt
observed eb5d21c170ef3d1c8ae95757a2118132...
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.