OpenTechnical

OT-2026-000089682

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089682) never changes.

Identity and time

Publication numberOT-2026-000089682 · never reused
Internal UUID01a0ae9c-1a22-7b33-9194-63d2825d3a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089682
StatusPUBLIC

Content hashes

Canonical text0cb6ccf170761d329fe608d5dde74bc737d7405503138e1e9c61e3e9efc73101
Markdownc7237afab5319ae06d72552063aaef8e4a91f11ccc9c9900271b4d5fdd3b56fa
PDF
Publication page7492031d1c44e7e098d06bf3866040d6f36cf2c8a647ca4301a9f9819b1df476
Manifest92fa6b42fb2a0c60936dd87136f8a68ea1ebf946b98f8a6cdc3133cab90f930c

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
SignatureXLB/3vZLgF+9eP/FZqzLBCZ37cLzTvdsa8ViC0P3D4Ml5ju3gDN3h4Zd7aGmgsMwXUqYyAjf5wjanNOIpj2iAQ==
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

2026-09-17T09:46:40.760052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089682
observed 7492031d1c44e7e098d06bf3866040d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.741249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089682/manifest.json
observed 92fa6b42fb2a0c60936dd87136f8a68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.722603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089682/publication.md
observed c7237afab5319ae06d72552063aaef8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.703502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089682/publication.txt
observed 0cb6ccf170761d329fe608d5dde74bc7...
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.