OpenTechnical

OT-2026-000031318

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000031318) never changes.

Identity and time

Publication numberOT-2026-000031318 · never reused
Internal UUID01a0ae74-87ac-7c27-8396-f9c6f328c213 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031318
StatusPUBLIC

Content hashes

Canonical text11934ba06c61f65dfcdc304d389af0f4fe9bcced4c90cd3e1854860733a82730
Markdowne2af9b4814c625d8f304479ccbfafad85ebc618fcc24c3fad0541cbcea4c814d
PDF
Publication page25f1215ec8a56ad19b04c018a1141b51ebccfbb94d9811809d4d98e433066587
Manifest3ae6a99aca2eeb07b059997fa79f77454fb1baff25431767c41905269960e0e7

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
SignatureILOePzRfoubMtA2rdrE83O765oJgCzo/Y/iJjZ5RbpgBc3feoXVKHIymwkAVGV8PC5XF+p+lKqBWPd3Ob9TWBg==
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

2026-09-17T11:36:00.443118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031318
observed 25f1215ec8a56ad19b04c018a1141b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.426129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031318/manifest.json
observed 3ae6a99aca2eeb07b059997fa79f7745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.408147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031318/publication.md
observed e2af9b4814c625d8f304479ccbfafad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.390577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031318/publication.txt
observed 11934ba06c61f65dfcdc304d389af0f4...
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.