OpenTechnical

OT-2026-000055815

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000055815) never changes.

Identity and time

Publication numberOT-2026-000055815 · never reused
Internal UUID01a0ae87-0a49-7b2e-baf3-462a7470e659 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055815
StatusPUBLIC

Content hashes

Canonical texte274501288e97f946e44e71658ba4b0ce55acc82d1f5473d0b2da22af3c9f975
Markdownf8f70f97af6cefb4128ee69e1a1e079830dc32d86ee69d4578e507e4bae774a2
PDF
Publication page93ebc9c7298f3e9405e6019cc736a4e7847f1ae9108ea384b6791375c56e4d67
Manifest574bc30b6f3ac905e0027bccb49c1b54857b9722396258d8507631ca9c2a6ae2

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
Signature3zjBca7kKv6YQcm2EtXybN6ACW11iWdl4zIxzljhjOHAyY/zOMuwiHgcVne83DJDORAPdVE7kY3sPXyPfTGrDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:11.015315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055815
observed 93ebc9c7298f3e9405e6019cc736a4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.997800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055815/manifest.json
observed 574bc30b6f3ac905e0027bccb49c1b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.980909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055815/publication.md
observed f8f70f97af6cefb4128ee69e1a1e0798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.963368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055815/publication.txt
observed e274501288e97f946e44e71658ba4b0c...
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.