OpenTechnical

OT-2026-000017238

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000017238) never changes.

Identity and time

Publication numberOT-2026-000017238 · never reused
Internal UUID01a0ae6e-76c8-7636-bcd8-2a0c386fd3c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017238
StatusPUBLIC

Content hashes

Canonical text694087a16b8936a029cbe697c281d23ecbc7ab7ba9fd5af14e8d799e3e077dcb
Markdowne78f69e071e069413fc7dee028a1aa369ee8a1d60c92f5a803e7b34c4da9d68c
PDF
Publication page66db0af12318e55a6d427ac1f23ad6e0eee7f7b1fba6325bc5c64f88b6222682
Manifest88b01d659fe603bb090e43097f9dfa075579431d5bdad4fbb53786a39cac8c6a

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
SignatureSvojGE1CC4QmQt4zmfmL4VfPjoMFWB+H9wrLs19mB0tVoo0Dg0A3iXyCcaryzLKhJP8FPdYK68H14a0uDjBrDw==
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

2026-10-19T08:41:58.903871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017238
observed 66db0af12318e55a6d427ac1f23ad6e0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:58.842059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017238/manifest.json
observed 88b01d659fe603bb090e43097f9dfa07...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:58.787594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017238/publication.md
observed e78f69e071e069413fc7dee028a1aa36...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:58.719069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017238/publication.txt
observed 694087a16b8936a029cbe697c281d23e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.210185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017238
observed 66db0af12318e55a6d427ac1f23ad6e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.192987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017238/manifest.json
observed 88b01d659fe603bb090e43097f9dfa07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.176286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017238/publication.md
observed e78f69e071e069413fc7dee028a1aa36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.159188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017238/publication.txt
observed 694087a16b8936a029cbe697c281d23e...
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