OpenTechnical

OT-2026-000013622

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000013622) never changes.

Identity and time

Publication numberOT-2026-000013622 · never reused
Internal UUID01a0ae6d-8de8-71c2-b48e-fa2ffa8f8209 · 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-2026-000013622
StatusPUBLIC

Content hashes

Canonical text4dbfd2d23323721ab90417699f24f1da9066e9bb6d83ecdc98aff54e61d57d15
Markdownb105a956dfa6352d784944f4e414071d95f939adfc3af4b6abd10aa8150966a5
PDF
Publication page23b59df2f84c4c3755633b891f25d024a22cde17342d9b2eeb324b691780d07f
Manifest8cf74da3d4dd0a05959454742f82dab294d3dd8486d1fff8051da6fe2c06dc8d

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
Signature6ID8HpUhIZ0s8THD9hwTT0i7FWXmJjOVrQUh9w2SUoiuPvODObuccBXzHtoWQOX/B+TDeWDdjjz9IwsM9QmIDA==
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

2026-09-17T12:10:32.148497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013622
observed 23b59df2f84c4c3755633b891f25d024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.126807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013622/manifest.json
observed 8cf74da3d4dd0a05959454742f82dab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.106639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013622/publication.md
observed b105a956dfa6352d784944f4e414071d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.088335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013622/publication.txt
observed 4dbfd2d23323721ab90417699f24f1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.170051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013622
observed 23b59df2f84c4c3755633b891f25d024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.153348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013622/manifest.json
observed 8cf74da3d4dd0a05959454742f82dab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.135514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013622/publication.md
observed b105a956dfa6352d784944f4e414071d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.117818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013622/publication.txt
observed 4dbfd2d23323721ab90417699f24f1da...
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.