OpenTechnical

OT-2026-000018251

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off 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-2026-000018251) never changes.

Identity and time

Publication numberOT-2026-000018251 · never reused
Internal UUID01a0ae6e-b488-706d-a45c-0b32e5bb3b9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018251
StatusPUBLIC

Content hashes

Canonical text7520ad95af7e3bbed679517ecbc394bdfbbabf8ba17163003b24e0438c78a646
Markdown1b8dcb17dae79d51213ab309bff0481e441e5e27b36c6f3be164073c142bb5a8
PDF
Publication pageb325442e1c25f4b86615602d8fb09d0d45aa95c4337628bf328f42dc84c22ca8
Manifest16eaa78d8f60550131046189715fed4bb804c5497189a21a92fd48680d55d417

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
Signaturek7ocaYDRzbCfFJxz9Orm6C+X0W6QMHJx1XPrMun7AbH8roib4NpSFz2Wgzb3s82sr7+R2Nk1IakrZi7+4+o3Ag==
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

2026-09-17T12:00:04.459944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018251
observed b325442e1c25f4b86615602d8fb09d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.438159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018251/manifest.json
observed 16eaa78d8f60550131046189715fed4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.417260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018251/publication.md
observed 1b8dcb17dae79d51213ab309bff0481e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.393733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018251/publication.txt
observed 7520ad95af7e3bbed679517ecbc394bd...
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.