OpenTechnical

OT-2026-000015355

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000015355) never changes.

Identity and time

Publication numberOT-2026-000015355 · never reused
Internal UUID01a0ae6d-ef49-799e-a9e2-ef0affdd878e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015355
StatusPUBLIC

Content hashes

Canonical text9afddffeb7824484acf833e3f1319d8a48fa33a56d13a0d0772fdca39e3a2a26
Markdownc9378a72fd43316983d7f699881e83a7afe6be6fdd6dd7c62cf32cf0f8144052
PDF
Publication pagefadf202ec92936c5a0de7a28f697834021f9e4b3d8378876992cdfbed18ff73b
Manifest7ab8efdd19715b77352870152cb81ea0656ab74a756ba36589ebe7cad991c17d

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
SignatureeSfN0zJw+CtkvTJnUeQp8dBlf4ALkfCQ8bXGc6yAaspO7ULYkddsRjDxWQjAtxSm6hxQNCWYOpAbD34GdMqNCw==
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

2026-09-17T12:06:03.765013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015355
observed fadf202ec92936c5a0de7a28f6978340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.745424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015355/manifest.json
observed 7ab8efdd19715b77352870152cb81ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.727189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015355/publication.md
observed c9378a72fd43316983d7f699881e83a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.707119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015355/publication.txt
observed 9afddffeb7824484acf833e3f1319d8a...
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.