OpenTechnical

OT-2026-000071931

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000071931) never changes.

Identity and time

Publication numberOT-2026-000071931 · never reused
Internal UUID01a0ae92-47c0-7fbe-ae80-71d9517162c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071931
StatusPUBLIC

Content hashes

Canonical textac9d5a8421e46a4bea6e558a5d50d86f0b1dfd5a8e4a58abc08b11348f5cbedf
Markdown9f36998d18a2b337a7a5d210bbd5d6fb9ec88170caf5a3832b59869f470936f4
PDF
Publication page68fbdd1cf3cf05e06237366d356939af16ac6a8d4f74c1f1c4fe6424584c1be3
Manifest36f29a2780edea7e334e3d64fd107a8a37b9a8df1745e7bd6861bbe1b9345a5e

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
SignatureV51L5KZOmsYtFPEnbsiGOYwG7jF+CIV8BhsBJCn4xHOQ3TmSW8fOBTEv+UyoF1ww9/Pwq5hbym08MGR5MxVRAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:57.711939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071931
observed 68fbdd1cf3cf05e06237366d356939af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.693632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071931/manifest.json
observed 36f29a2780edea7e334e3d64fd107a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.674289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071931/publication.md
observed 9f36998d18a2b337a7a5d210bbd5d6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.655270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071931/publication.txt
observed ac9d5a8421e46a4bea6e558a5d50d86f...
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.