OpenTechnical

OT-2026-000071893

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000071893) never changes.

Identity and time

Publication numberOT-2026-000071893 · never reused
Internal UUID01a0ae92-47c0-7414-8269-956edd46278e · 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-2026-000071893
StatusPUBLIC

Content hashes

Canonical text0765151f7ac35aa1d5e4f302a88a342889f0ae04016ecd16a1aa0e2ba7e76c53
Markdown8b944acdac10c94d65bfaca16be60d7a8619796e9109da3e210a84ceb2dad7f0
PDF
Publication page1c35a495ee0e5a2e9bdf60d800b8c98c2c025b60b78d9a426528825f3fa5c2f1
Manifest5bada8111c3ab77514d1a18b6e5842246084953533f935e8a3b7de03780e2897

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
Signatureboq+itUqkNW9E5xDaoo7pSELc0C2LxxojABcQUYI0IDOvv/Nj+ZNE5IjYMMkxm8VNowXHbsbYzsJMmKhpAhYBQ==
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

2026-09-17T10:22:54.756504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071893
observed 1c35a495ee0e5a2e9bdf60d800b8c98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:54.736506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071893/manifest.json
observed 5bada8111c3ab77514d1a18b6e584224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:54.704349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071893/publication.md
observed 8b944acdac10c94d65bfaca16be60d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:54.686649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071893/publication.txt
observed 0765151f7ac35aa1d5e4f302a88a3428...
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.