OpenTechnical

OT-2026-000034651

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, 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-2026-000034651) never changes.

Identity and time

Publication numberOT-2026-000034651 · never reused
Internal UUID01a0ae76-1ed1-7fad-abd1-0506c8778e67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034651
StatusPUBLIC

Content hashes

Canonical texteb84603e74a378939b9998c88a23887242b14104a3478f4a0ab010177ceeac4c
Markdownf4c77533578f7673d12d8676a10a44d7a23041692f9d166ddd6f6ba177c3a683
PDF
Publication pageca821310672845a0f6d5798e5116492d8e5aab8c806d039800821357e980898d
Manifest35d2c681f14fe00db0ebd1d84a78224c0f6bfc3ac3f4ccabdb41fc02ff795ed3

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
SignaturevBVAvYZauyvRbkd5syv89qj+IOwZqDOKeU+0FjyZFo49oEs0vXLgvY7IUNEMkcfBDZDmpSXQ/aVFVEf+uNTSDQ==
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

2026-09-17T11:29:02.526541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034651
observed ca821310672845a0f6d5798e5116492d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.509422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034651/manifest.json
observed 35d2c681f14fe00db0ebd1d84a78224c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.493941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034651/publication.md
observed f4c77533578f7673d12d8676a10a44d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.474874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034651/publication.txt
observed eb84603e74a378939b9998c88a238872...
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.