OpenTechnical

OT-2026-000087900

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000087900) never changes.

Identity and time

Publication numberOT-2026-000087900 · never reused
Internal UUID01a0ae9b-1aa5-754a-8ef4-1654d9036388 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087900
StatusPUBLIC

Content hashes

Canonical texte28c387c6d23d0d15447d81fb7399fe7d27564b293ec0fc984aab0a4002c2e6b
Markdown0d0c23597217a56c2dd86fceec582d4592d1b26a27c4e4d0506a9ef5364d9eef
PDF
Publication page495f90e4ca60a86e3b315113d8905e616532978af398715064a5c0a2850f2293
Manifest8a923a723a8a3af3121ae15ae6cb237008d474fafa0996dc0ce4ffae303c455e

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
Signaturep2md+uG/dFxBfxPoFTjYSDGD+rl9qzATJCGcDk6R+n5cflnVA4wbqg0vdIQcJfkgkdlShS+l79UKVn5M4kQpCg==
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

2026-09-17T09:49:10.754641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087900
observed 495f90e4ca60a86e3b315113d8905e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:10.735944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087900/manifest.json
observed 8a923a723a8a3af3121ae15ae6cb2370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:10.717804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087900/publication.md
observed 0d0c23597217a56c2dd86fceec582d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:10.696708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087900/publication.txt
observed e28c387c6d23d0d15447d81fb7399fe7...
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.