OpenTechnical

OT-2026-000088849

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088849) never changes.

Identity and time

Publication numberOT-2026-000088849 · never reused
Internal UUID01a0ae9b-8f10-7598-a8c4-376d872e6b19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088849
StatusPUBLIC

Content hashes

Canonical text28e82a72270fcdc0eae8db5b63eeaca304632ef83dd28f97a655c6190065e662
Markdownd278ab6b96b299b61b9ca7878a5ccea3634219b895a1442abc3e5909453bd917
PDF
Publication pagef6fc5684008760d8c74866df10a57d8a66e223b0df2f8a81622be597894e74b6
Manifest7b1f26a1f9870f828ab5e4d54f56aec06e1cd802b89057a2263471ee3482549d

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
Signaturepzka0FV0kesxQD3YWag40pwlBGbcZdCQuWrDJr4zFiWR6l+3sF7+cPCMys5neRSw3WViOiWElYckPSxCERhrDg==
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

2026-09-17T09:48:14.409136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088849
observed f6fc5684008760d8c74866df10a57d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.390869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088849/manifest.json
observed 7b1f26a1f9870f828ab5e4d54f56aec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.371917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088849/publication.md
observed d278ab6b96b299b61b9ca7878a5ccea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:14.354021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088849/publication.txt
observed 28e82a72270fcdc0eae8db5b63eeaca3...
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.