OpenTechnical

OT-2026-000084553

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained blow-off before set-down

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-2026-000084553) never changes.

Identity and time

Publication numberOT-2026-000084553 · never reused
Internal UUID01a0ae98-e25a-72c8-a355-901dd0ad71ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084553
StatusPUBLIC

Content hashes

Canonical textd651b77fe5058fa9ba7d2d88ac582d5bf308a5e0e562c6f3b4bbf9dc15889cdb
Markdownad35aa931f52bed2602e233cb523efa584f4008cc25840131d2521ddd93d92cf
PDF
Publication pageef8be17d39a851e91930988839395a7ace0af007ccf28645e303c16e4fb44c5b
Manifest213574228b25c81fa63d43026eb0f392a499105e5fe40759f148b29dc4ed3fa3

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
SignatureJVP7YDaTf4/6eC/Un9n5N7VhHc4bXrbdiLXwCnfvmzmlQyw74W3QwROKRzmR1DPKpb+dvwUKbcqqgSoRXUKECA==
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

2026-09-17T09:55:26.739620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084553
observed ef8be17d39a851e91930988839395a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.721125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084553/manifest.json
observed 213574228b25c81fa63d43026eb0f392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.702862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084553/publication.md
observed ad35aa931f52bed2602e233cb523efa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.685449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084553/publication.txt
observed d651b77fe5058fa9ba7d2d88ac582d5b...
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.