OpenTechnical

OT-2026-000022037

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000022037) never changes.

Identity and time

Publication numberOT-2026-000022037 · never reused
Internal UUID01a0ae6f-bb5c-7017-be49-a924d5c504b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022037
StatusPUBLIC

Content hashes

Canonical text118ad11ee8517c4539fb20783b8a49cd80c5503cb7bb0e23bac4df1768811244
Markdownc7491d366fbe879937e6f83b45cf9b8b28200798955557183dca5d455d2f7a5d
PDF
Publication page5adba7f6a27a357ee06ee552d2cc323c8da69efb505b6baa0c5b86f757ed7aec
Manifest51b9160222634f5ff4883c090378b2738a636fc2b9e31407999ed236acdf7406

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
SignatureXOy0GO/uLkXboLQZzF5Z3zrDif/AdKv/J0vAwMoXEUl2wKt1qreVzwaIeH7EIojbIo+bOo1MTSPixrdAFzyEBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:43.537741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022037
observed 5adba7f6a27a357ee06ee552d2cc323c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.520084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022037/manifest.json
observed 51b9160222634f5ff4883c090378b273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.501662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022037/publication.md
observed c7491d366fbe879937e6f83b45cf9b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:43.483517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022037/publication.txt
observed 118ad11ee8517c4539fb20783b8a49cd...
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.