OpenTechnical

OT-2026-000038218

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038218) never changes.

Identity and time

Publication numberOT-2026-000038218 · never reused
Internal UUID01a0ae78-2d51-747b-a259-de9e7d9d2f07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038218
StatusPUBLIC

Content hashes

Canonical textf72c80cdd4eb88c611bc78c4f30613d503f139431a4deb3437ce2a8f99f4f83e
Markdown7d5c553b4c90c6f6a92560436de7efd23adfe46f4018f072b74678871dc3399c
PDF
Publication page4cffdaa3090d8761197b124d465e17cca70224273159ba76a91f4a46f5ea8313
Manifestc968b5324717c4133df66e8525960c034391e6830bbbf3ba005a1345982a049e

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
SignatureVqA/cE+D2GGlqeXSKei7BJWDO+DW/LQogo6Jt8TcWqE1CQi8CX+6DatKmVUmyuAd46wQHAqTHp9y03nnu0GSAA==
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

2026-10-03T12:41:20.576238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038218
observed 4cffdaa3090d8761197b124d465e17cc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T12:41:20.518961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038218/manifest.json
observed c968b5324717c4133df66e8525960c03...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T12:41:20.432621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038218/publication.md
observed 7d5c553b4c90c6f6a92560436de7efd2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T12:41:20.369076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038218/publication.txt
observed f72c80cdd4eb88c611bc78c4f30613d5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T20:42:13.391663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038218
observed 4cffdaa3090d8761197b124d465e17cc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T20:42:13.326485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038218/manifest.json
observed c968b5324717c4133df66e8525960c03...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T20:42:13.245929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038218/publication.md
observed 7d5c553b4c90c6f6a92560436de7efd2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T20:42:13.145849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038218/publication.txt
observed f72c80cdd4eb88c611bc78c4f30613d5...
fetched by grabo-systems from 34.44.131.203, 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