OpenTechnical

OT-2026-000089597

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000089597) never changes.

Identity and time

Publication numberOT-2026-000089597 · never reused
Internal UUID01a0ae9c-1a21-7e3d-81d2-2550029875fc · 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-2026-000089597
StatusPUBLIC

Content hashes

Canonical text5811e2c5b59365d356d6c6c102a40cfdc76daa891a5586ded73f44c7c8eb52e3
Markdownf534fe75979281a7ba3d52d2dec29a756f271857a6dc765dcf72c9bc46afc2e8
PDF
Publication page1d8b0cd92c77b28daeda36719cd07a3bba112e0d6ec99b395a40d3141fc84005
Manifest43e609435bdb6dfbf56f44157ca79ea36fa9b7af96b07fae9d06d46a16da7a7b

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
Signature02r9p3j9lg15a2OgknYxcd5e7QLrz9kJr6dWU4HiyuLY6ah0lVHDmtYCce2SR16UNMdz6Pv/t24Ixlhx0fJBCw==
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

2026-09-17T09:46:34.497281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089597
observed 1d8b0cd92c77b28daeda36719cd07a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.481626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089597/manifest.json
observed 43e609435bdb6dfbf56f44157ca79ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.464832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089597/publication.md
observed f534fe75979281a7ba3d52d2dec29a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.447469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089597/publication.txt
observed 5811e2c5b59365d356d6c6c102a40cfd...
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.