OpenTechnical

OT-2026-000074031

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold 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-2026-000074031) never changes.

Identity and time

Publication numberOT-2026-000074031 · never reused
Internal UUID01a0ae93-2b8f-7f4b-afcd-6efac5c628ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074031
StatusPUBLIC

Content hashes

Canonical textb5f89d7d190f5fec9855f68bc0ebf780be84cef932666bdbeb65387f3b86a86d
Markdown64f33dfa1ba724e06d96b50096438a76f3ce4313ee993d5adbfbea7e32048130
PDF
Publication pageaed5de3905859ad9e3d960d954032a68d130f2c62ca87393ccdc037c9770fc32
Manifestf4c90113abd0265340b6a795340fc302c06092457ffc782b9b07f79017bc7407

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
SignatureK71PpyQJfXHxLgzd/fJxGsKvRSqzbgQd9stLAjvXxAwd6P4wf2OFPBGhqSp+n/07ClX6Df6tjuRPc7qbRFc1DQ==
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

2026-09-17T10:20:20.866786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074031
observed aed5de3905859ad9e3d960d954032a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:20.847546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074031/manifest.json
observed f4c90113abd0265340b6a795340fc302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:20.828718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074031/publication.md
observed 64f33dfa1ba724e06d96b50096438a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:20.808207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074031/publication.txt
observed b5f89d7d190f5fec9855f68bc0ebf780...
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.