OpenTechnical

OT-2026-000014499

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000014499) never changes.

Identity and time

Publication numberOT-2026-000014499 · never reused
Internal UUID01a0ae6d-b27b-7353-94b2-711cc9283310 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014499
StatusPUBLIC

Content hashes

Canonical textdac774026be96ff0687569f31f677a525ebd6f98d6a4b6614051f2b939488382
Markdownf3b3320aea7813a9a629dc8e1e9e9eba5149147102e02b6070213242fee63815
PDF
Publication pageb33f207246ac95c07098cf3455ad409ae3aee5cf017816b1a8bb5b2af54db2c3
Manifestf98308ed18d32d0b7ece15c301d222162f6602453674345728aec2d5b02e6067

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
SignaturenzABud6RxRJAcxEjlNZcA32JPfp5AqD8Bg4jPGMRrnMKL9YTq12uyGFYhazB9tjNcaKH0cl425PEJOmGkCsWAQ==
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

2026-09-17T12:10:19.606656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014499
observed b33f207246ac95c07098cf3455ad409a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.588494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014499/manifest.json
observed f98308ed18d32d0b7ece15c301d22216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.569783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014499/publication.md
observed f3b3320aea7813a9a629dc8e1e9e9eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.549265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014499/publication.txt
observed dac774026be96ff0687569f31f677a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.259738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014499
observed b33f207246ac95c07098cf3455ad409a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.241846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014499/manifest.json
observed f98308ed18d32d0b7ece15c301d22216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.223555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014499/publication.md
observed f3b3320aea7813a9a629dc8e1e9e9eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.205484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014499/publication.txt
observed dac774026be96ff0687569f31f677a52...
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.