OpenTechnical

OT-2026-000081599

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000081599) never changes.

Identity and time

Publication numberOT-2026-000081599 · never reused
Internal UUID01a0ae97-0f72-788d-bb00-b0d107a1f04f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081599
StatusPUBLIC

Content hashes

Canonical text1390badad25f5c16909c72586cc7e4773ca428eea453d33647d731cb21fd0a56
Markdowna39948490d93d639dabe74af989da00ab64ef4e9ec614048f21ee35a33b91cb2
PDF
Publication page256b3dabc9f6cf12487afc4d42de9ab2b612b87dae98c90468baf408c545b378
Manifest3c97e6123a66a708674d47fbe4290348115d24928315202c9ef2c2a5f0e3022e

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
SignaturebqESx1PfaQKCfJCT/Vldev0WAPwGEx9lvtR3f9G1p7tTAMe1phoijFvMgor8tRXDCNelBVShgUsjhWyuOom6Cw==
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

2026-09-17T09:59:38.195023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081599
observed 256b3dabc9f6cf12487afc4d42de9ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.178192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081599/manifest.json
observed 3c97e6123a66a708674d47fbe4290348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.161617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081599/publication.md
observed a39948490d93d639dabe74af989da00a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.145796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081599/publication.txt
observed 1390badad25f5c16909c72586cc7e477...
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.