OpenTechnical

OT-2026-000080805

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000080805) never changes.

Identity and time

Publication numberOT-2026-000080805 · never reused
Internal UUID01a0ae96-b974-76b6-9c38-59b9dbe59cca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080805
StatusPUBLIC

Content hashes

Canonical text3d028b6f0167f01bd8993ff0ed720389211725cc7a8585782e64fbde48f1cd60
Markdown0902c17db325217b6cd08afd97ac7c4c8aa6e7066f6da0e51fc202adf2c1246a
PDF
Publication page6f9d3b0d1a01bb9a00506556d6948fc12ab1261e12bd58d73af4f5903fc3bca8
Manifest67a4140e60d6cd699faebf74615a148909d80160dcadc657a33b6092fbd32827

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
SignatureqLMmzhuIBqrOu028GDpnmhGFWr+eFsCVoOrw2ygHENCB3cEh8H8eFkrU6XcmOsb5SaiNvFQnA/51eBRiEEvhBA==
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

2026-09-17T10:01:59.054805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080805
observed 6f9d3b0d1a01bb9a00506556d6948fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.036497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080805/manifest.json
observed 67a4140e60d6cd699faebf74615a1489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.015347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080805/publication.md
observed 0902c17db325217b6cd08afd97ac7c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.996823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080805/publication.txt
observed 3d028b6f0167f01bd8993ff0ed720389...
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.