OpenTechnical

OT-2026-000076464

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000076464) never changes.

Identity and time

Publication numberOT-2026-000076464 · never reused
Internal UUID01a0ae94-6a71-7e97-a1d5-e1a2f4153ee3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076464
StatusPUBLIC

Content hashes

Canonical textec2ce606aeb309d3ad9baafc7032502ca5b0eacdaf985bb704f52bb0bd177ae3
Markdown407e1aa7b9c9e64da05b8e928a5f8ea2889b4e41f5b5b6bf4b3cbb2153e3857a
PDF
Publication pagea2cb39462d12f3b4ac52ccf108e91e4398410035741e17a5b69eaf4aec9fa502
Manifest27029558ead45f849300ffc85157c0a080c1513835f6bac17773109d57b52de6

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
SignatureFHb+9TIx9qd9rBfWUDBkrUmm6L8dhEaASkwUcJ7SRr+GyQAXsoTTS/20jOqg0vRVedmQptRL7DsZaBJ03WY2CA==
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

2026-09-17T10:12:37.757560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076464
observed a2cb39462d12f3b4ac52ccf108e91e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:37.740026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076464/manifest.json
observed 27029558ead45f849300ffc85157c0a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:37.720145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076464/publication.md
observed 407e1aa7b9c9e64da05b8e928a5f8ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:37.700510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076464/publication.txt
observed ec2ce606aeb309d3ad9baafc7032502c...
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.