OpenTechnical

OT-2026-000025677

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000025677) never changes.

Identity and time

Publication numberOT-2026-000025677 · never reused
Internal UUID01a0ae71-9bc9-7911-b119-ebb0fc2df287 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025677
StatusPUBLIC

Content hashes

Canonical texta5c54cefc78063329b3bb7f4ffa649c9d334ce7437ee7ea44a594754098c9641
Markdownaf0b82a17f4eaff19caec6ee7e53002abb445b57c32033fd19bbac5462c25700
PDF
Publication page1397c5029d93c44fb58f3e730bf8638bd2beeab6e31252f84ef023ca70260bb9
Manifestc4b5d85045303a1091f37aba288390fa0cb8883c35f921d7cf1bf2abff6adce9

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
SignatureGyly+GIyN/czwDM89LpOmD7nP0ZVAwE9SPZ3MI0PogQpgahhIO6ssY4J3V+AemKzZ7c+gLgtI9i5axWwp9dkBw==
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

2026-09-17T11:46:53.233558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025677
observed 1397c5029d93c44fb58f3e730bf8638b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.217499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025677/manifest.json
observed c4b5d85045303a1091f37aba288390fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.199095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025677/publication.md
observed af0b82a17f4eaff19caec6ee7e53002a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.175044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025677/publication.txt
observed a5c54cefc78063329b3bb7f4ffa649c9...
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.