OpenTechnical

OT-2026-000023976

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000023976) never changes.

Identity and time

Publication numberOT-2026-000023976 · never reused
Internal UUID01a0ae70-aed7-7957-bfdd-7b2d896b56c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023976
StatusPUBLIC

Content hashes

Canonical textf178357f4817d0c05ad9512c19f7b6e954d0daf6543269f0f35f2ec2443df5b0
Markdownaf3b67caeaefe35844cff7bf2ff231a731fc7b53c7baa47eca620ed02fc394ac
PDF
Publication pageaddea91c6de956c4e049b24bb4f462c1a99f083c5cf61a5552da51756f47486c
Manifest374ec1f1fea90d2521e0837d67eace4fd1d9321d86a16532b1acafc06f7b348e

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
SignaturegNzGTST9Qla53292rgHQiLQDunMEL9euY+p0U5VIf8VRWBZxCUNFfBjgF6vlRexotI14MwuEVgDo5mzRNck0AQ==
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

2026-09-17T11:50:44.318188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023976
observed addea91c6de956c4e049b24bb4f462c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.293840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023976/manifest.json
observed 374ec1f1fea90d2521e0837d67eace4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.259830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023976/publication.md
observed af3b67caeaefe35844cff7bf2ff231a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.234232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023976/publication.txt
observed f178357f4817d0c05ad9512c19f7b6e9...
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.