OpenTechnical

OT-2026-000083708

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000083708) never changes.

Identity and time

Publication numberOT-2026-000083708 · never reused
Internal UUID01a0ae98-0417-778c-9f43-9b85d27c1982 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083708
StatusPUBLIC

Content hashes

Canonical text89f3cdb369ea44feaa3ef5a91d087eeec173c180650c5ac7cd8749f98618f21a
Markdownd436c12371d49ddd713e32bd42310d780c9975fa5be061f73b7ec1b305db1fc6
PDF
Publication pageb571ede5a0efc6e9228bcf2664033014f73bc86be6c7fce85903c025be7635c2
Manifestcaf273c8e52917d9004fa5d04010f6422b7cb61a409a1bf766c36064af6a466c

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
Signaturer4NNjBis1WO9Lk9UIL/e9LuEoJTnRIEk1GsKbB5dGsRi5QFkes19kmRcp224LCqkZMCkYo04Cf3AB95qmBFrDg==
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

2026-09-17T09:57:20.265575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083708
observed b571ede5a0efc6e9228bcf2664033014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.248667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083708/manifest.json
observed caf273c8e52917d9004fa5d04010f642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.231200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083708/publication.md
observed d436c12371d49ddd713e32bd42310d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.214361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083708/publication.txt
observed 89f3cdb369ea44feaa3ef5a91d087eee...
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.