OpenTechnical

OT-2026-000049054

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049054) never changes.

Identity and time

Publication numberOT-2026-000049054 · never reused
Internal UUID01a0ae81-134d-73ed-8df0-08d1db17ee02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049054
StatusPUBLIC

Content hashes

Canonical textae82d7e61cac56a4f0b8ec0cf413335bc8c9aa9f9054ed73feae7da6e169df94
Markdownfc72436e790a6cc4f629380118661d1869d0a99a29ccbfd2c8dcfab39da39bad
PDF
Publication page6ca8f8c7f14de8a21f0a5e767149b70dc7e5ac43e3bb80f9ecb1753d46aa520b
Manifest8a46be500632b6257660d79455f0f80175542fb68524d634cdcb1cc989023d8d

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
SignatureAwSqa4cnqQpu7/PM+/DiPoJxXInZpyosgt7xFlmBbnxMVyirJlNutk7v6hi+j4/WnzaQcDAfmvCsAESIdEebBw==
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

2026-09-17T11:03:17.006935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049054
observed 6ca8f8c7f14de8a21f0a5e767149b70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.989610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049054/manifest.json
observed 8a46be500632b6257660d79455f0f801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.971520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049054/publication.md
observed fc72436e790a6cc4f629380118661d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.953238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049054/publication.txt
observed ae82d7e61cac56a4f0b8ec0cf413335b...
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.