OpenTechnical

OT-2026-000017980

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000017980) never changes.

Identity and time

Publication numberOT-2026-000017980 · never reused
Internal UUID01a0ae6e-96fc-7c1d-a022-8319a9cfabe1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017980
StatusPUBLIC

Content hashes

Canonical text274e6efad200178c93a268fdb65359483cd2fb5c07686e351583e3c74137a169
Markdown24d89ff3efe62f3445bb42d3479986cfd90784b0a40a979a4b2067fc33582364
PDF
Publication pageb9034adaad014325faac2864c750a63c6fdeb23ffd2e612173e4b3d4c8a65361
Manifest23dae05826420b12ca05c465c6e7a8f75e326f46736a171d5716683dc38b6acb

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
SignaturenLnn5PZUIqlUKDRmPwdb/vFF+ThV8UOyjElc/Ugp+u75VGUN1nsu8DFfrlLYzfHb17iG4SNeA6xXeOJGBdeTBA==
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

2026-09-18T04:42:19.807541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017980
observed b9034adaad014325faac2864c750a63c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T04:42:19.517709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017980/manifest.json
observed 23dae05826420b12ca05c465c6e7a8f7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T04:42:19.013222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017980/publication.md
observed 24d89ff3efe62f3445bb42d3479986cf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T04:42:18.667871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017980/publication.txt
observed 274e6efad200178c93a268fdb6535948...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.829417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017980
observed b9034adaad014325faac2864c750a63c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.811866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017980/manifest.json
observed 23dae05826420b12ca05c465c6e7a8f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.794386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017980/publication.md
observed 24d89ff3efe62f3445bb42d3479986cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.776456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017980/publication.txt
observed 274e6efad200178c93a268fdb6535948...
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