OpenTechnical

OT-2026-000042083

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000042083) never changes.

Identity and time

Publication numberOT-2026-000042083 · never reused
Internal UUID01a0ae7a-5d71-7726-aaf6-2c4c3f67734c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042083
StatusPUBLIC

Content hashes

Canonical text6b7bc4bc69130d6e9795a4d0dd92da45ce2b59212de6a2ed978a8ecf8ea4b6c5
Markdownc63bab10d617c1c54457ff8a8a89b8a678ceef5c6c8e07e70d27b2a230b08e6b
PDF
Publication page9b4e11d63abaee39c83467836d2a4a0f6c91e3c12e2a4cfb2a014ee9e9f61def
Manifestaed6943078956aec512e7a379b566e879ec18af5b7d9ec5ed2bb965eb62edcf9

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
Signature0NSqk3wWt91k9oVUrrJ3FPLPeDFR0W/3F8qyLg7P9nuo9lvgpfDzG6jIOJRJEeDH/UROOmqr2v+8mJ/pbb+yDw==
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

2026-10-09T16:41:16.749270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042083
observed 9b4e11d63abaee39c83467836d2a4a0f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T16:41:16.638625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042083/manifest.json
observed aed6943078956aec512e7a379b566e87...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T16:41:16.566172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042083/publication.md
observed c63bab10d617c1c54457ff8a8a89b8a6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T16:41:16.461619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042083/publication.txt
observed 6b7bc4bc69130d6e9795a4d0dd92da45...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.613283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042083
observed 9b4e11d63abaee39c83467836d2a4a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.595607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042083/manifest.json
observed aed6943078956aec512e7a379b566e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.577179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042083/publication.md
observed c63bab10d617c1c54457ff8a8a89b8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.558929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042083/publication.txt
observed 6b7bc4bc69130d6e9795a4d0dd92da45...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent