OpenTechnical

OT-2026-000015830

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000015830) never changes.

Identity and time

Publication numberOT-2026-000015830 · never reused
Internal UUID01a0ae6e-0c4c-72e4-bfe8-ceb5a99a2b62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015830
StatusPUBLIC

Content hashes

Canonical text738d13a3aee7d08565b4ab24fe031ad3703016e626f5204329e8ec644829c433
Markdowne41a693a1dbecb98f8d4b6fe1046d4532855194b3b2173f029a712d5517f9cfb
PDF
Publication pagee4e73ea4f59087e78bb3ba6e6af369e393048ad08702df2fe60c86820f9ca6b4
Manifest89916cdfaa014fb997560dafe6baa4acc4ee45582b66d410e2d9051415098b3e

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
SignaturevBzZt6celkOXtS0j9KZ9/+t0nIPueHOnydcC8qxC3S4I40dYwiukOq4CxjEzLMJA3d2tYYVQRJZnCozJP/dZBg==
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

2026-10-25T12:41:55.195428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015830
observed e4e73ea4f59087e78bb3ba6e6af369e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T12:41:55.126313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015830/manifest.json
observed 89916cdfaa014fb997560dafe6baa4ac...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T12:41:55.075455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015830/publication.md
observed e41a693a1dbecb98f8d4b6fe1046d453...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T12:41:55.004899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015830/publication.txt
observed 738d13a3aee7d08565b4ab24fe031ad3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-06T16:41:04.089580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015830
observed e4e73ea4f59087e78bb3ba6e6af369e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-06T16:41:03.967759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015830/manifest.json
observed 89916cdfaa014fb997560dafe6baa4ac...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-06T16:41:03.825029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015830/publication.md
observed e41a693a1dbecb98f8d4b6fe1046d453...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-06T16:41:03.689208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015830/publication.txt
observed 738d13a3aee7d08565b4ab24fe031ad3...
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