OpenTechnical

OT-2026-000014989

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000014989) never changes.

Identity and time

Publication numberOT-2026-000014989 · never reused
Internal UUID01a0ae6d-d096-7b7d-ba8c-214ce50f8440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014989
StatusPUBLIC

Content hashes

Canonical textb0a286c345e7c7fd2a7a477e1aa1968784a1c0317fde73dbb75c0cc84767cc1a
Markdownc08919d32626fac81b933e0541b3923b87e9ddf2d0fdd584407501e430b4eeb3
PDF
Publication page5e5fa482dd19097a35ab8a98baec4371258acffd045ec3d7d5d6dbdb30390523
Manifested99bcd135647db67d49f4ea1d4f85464536fafb435a6a8457fa5d6465c2555a

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
Signatures6eyvTlXQPMTDBfz7yLXyzi/IHJzwz1rabRwRAvsz6SCzZlF/dU5mxCl5BBCKhMjpLigbpGXXsYPWuhwvEzaAA==
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

2026-09-17T12:06:57.094983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014989
observed 5e5fa482dd19097a35ab8a98baec4371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.075120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014989/manifest.json
observed ed99bcd135647db67d49f4ea1d4f8546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.056464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014989/publication.md
observed c08919d32626fac81b933e0541b3923b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:57.037733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014989/publication.txt
observed b0a286c345e7c7fd2a7a477e1aa19687...
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.