OpenTechnical

OT-2026-000013607

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000013607) never changes.

Identity and time

Publication numberOT-2026-000013607 · never reused
Internal UUID01a0ae6d-8de8-7145-9d50-c585f62aab12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013607
StatusPUBLIC

Content hashes

Canonical text628238d8495441980cafbd39edd9c2899cce1b3b5da24207220f840a3002543a
Markdownee90a96d8c94c05b24febe8bc01bcf7538c3c18f871cf7cf21ef09f9aa4b841c
PDF
Publication pagedd959a94316d18ba9c5f13056d82924ebd0f02c61d536ea2394057f8b8ea90c4
Manifest6cf4f0ca172255dbe75f0074ebc8a9bb225753a92f9efaeec6bcb9dde30670f9

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
Signature4pyNOflLU/gr8HcF/gOSzjoUBUfGmcBYlrmfsWTueqka5vAZzs1BjzI7ixav7KOwb4qIoSKAv+nVZHpkhGauCA==
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

2026-09-17T12:10:30.949533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013607
observed dd959a94316d18ba9c5f13056d82924e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.930198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013607/manifest.json
observed 6cf4f0ca172255dbe75f0074ebc8a9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.911919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013607/publication.md
observed ee90a96d8c94c05b24febe8bc01bcf75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.889978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013607/publication.txt
observed 628238d8495441980cafbd39edd9c289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.024883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013607
observed dd959a94316d18ba9c5f13056d82924e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.005618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013607/manifest.json
observed 6cf4f0ca172255dbe75f0074ebc8a9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:31.986952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013607/publication.md
observed ee90a96d8c94c05b24febe8bc01bcf75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:31.968976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013607/publication.txt
observed 628238d8495441980cafbd39edd9c289...
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.