OpenTechnical

OT-2026-000021332

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000021332) never changes.

Identity and time

Publication numberOT-2026-000021332 · never reused
Internal UUID01a0ae6f-865c-74e7-9797-9e33caf47e06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021332
StatusPUBLIC

Content hashes

Canonical text2e04bfe67d236e0f025f8c1d68f917aac8d761dd5e542d601741f88558fd3004
Markdownb3be3997eccc899de8fe13f4cead7e5ec938f1b4914ac0a00d8c733d6f3ae2df
PDF
Publication page3a12e403a966fc992bacb1e01b2c3441a2e00388e00ec653cc635b98d140a34c
Manifestf3fa4e5fa0525ceaf05e0f71d686f6c785abcbc99f9c4c7ab999719d147bf127

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
SignaturehfRp7heX8R3V9dSKVYoFkudIuDl2g1MEe1/qkJi83yM07E3kIHPg+fLlhlysxbFCeYo8Lkn8EyeJMr7GqUEbAA==
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

2026-09-17T11:55:10.858656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021332
observed 3a12e403a966fc992bacb1e01b2c3441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.834645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021332/manifest.json
observed f3fa4e5fa0525ceaf05e0f71d686f6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.815879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021332/publication.md
observed b3be3997eccc899de8fe13f4cead7e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.798677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021332/publication.txt
observed 2e04bfe67d236e0f025f8c1d68f917aa...
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

Custody packagePending Custody packages are produced weekly.