OpenTechnical

OT-2026-000091303

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091303) never changes.

Identity and time

Publication numberOT-2026-000091303 · never reused
Internal UUID01a0ae9c-f16c-773f-a7bf-b0436814c24a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091303
StatusPUBLIC

Content hashes

Canonical textfe3fe36f0dcf6016d46d95ab1f63814c3b11c36f687eb4de24cc4309c1448883
Markdownc8c90d64fdaaddc140fb5035d3968ac6924d992405586bf713ae230d4807f9c7
PDF
Publication page4d2e59285828e0b7637dd1e203bed588761784e4c26f3d0e6903e84e96b823b9
Manifestf1fb05f0156fa653d8dee71886d5f1acce3c4db45c320d30f03516ee6e1de151

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
Signature0fvODCBU7Hc4arUvuvL7BU7FdBdOLHSGyZs8mXw0gSk0v+sXqZ3yrs60esiLJ1V0S3MtKKjYjCI7NimQcfjaDA==
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

2026-09-17T09:43:30.109108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091303
observed 4d2e59285828e0b7637dd1e203bed588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.091072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091303/manifest.json
observed f1fb05f0156fa653d8dee71886d5f1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.073747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091303/publication.md
observed c8c90d64fdaaddc140fb5035d3968ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.056007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091303/publication.txt
observed fe3fe36f0dcf6016d46d95ab1f63814c...
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.