OpenTechnical

OT-2026-000077898

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000077898) never changes.

Identity and time

Publication numberOT-2026-000077898 · never reused
Internal UUID01a0ae95-2ed1-7422-898f-950b85d1d73c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077898
StatusPUBLIC

Content hashes

Canonical textc2ac6239316405912fcc6a9da0b256a12c163223083fc0d286d02eef23517d90
Markdown7084106044b51d2048b16aa2b777da148bdc8fa433149a3f4843a57170abb120
PDF
Publication page498f03db22eb47adf0b7c74500f75a4a27412303f681b11b9008025b69123c54
Manifestdf7846e6d601ab004b63e04d826f648c3e167f61fa68a20568221d42ee067c66

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
SignatureVtTiI6Mi51o2sReJmUFF3rkHmqSjX5zFexBezzHqTOCq802vE80vV8zKdOU/rpnj4QIgX+K+iJ1Rsdr/mN0ECg==
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

2026-09-17T10:07:38.732965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077898
observed 498f03db22eb47adf0b7c74500f75a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.711281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077898/manifest.json
observed df7846e6d601ab004b63e04d826f648c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.691949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077898/publication.md
observed 7084106044b51d2048b16aa2b777da14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.673904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077898/publication.txt
observed c2ac6239316405912fcc6a9da0b256a1...
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.