OpenTechnical

OT-2026-000055957

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000055957) never changes.

Identity and time

Publication numberOT-2026-000055957 · never reused
Internal UUID01a0ae87-0a4a-761b-af31-2bd5e0a2d6da · 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-2026-000055957
StatusPUBLIC

Content hashes

Canonical text7331b0c237745f09eaf45e3dbde0a102b58ace461c991bdb3aab91f540dc1c67
Markdown0858ec597abc2e0a8e69ce2ebe484cdb11310d55606cbafe0ed37713b0d804c6
PDF
Publication pagebf08b4b055d7090fa7d4b576e8d43b94feaf2ea940b4f404f145a6003262f6e8
Manifest603fcbd4b22a4f6f721d13bfc128e0dffd79e08aaacced0ec2d52a1ebc6ccfa1

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
Signaturejz1YCdRJTGCy6nVU8RIieBRlii/6UlHOE0kQPqDPo6LJVz047RA7+VA+pn54KuBtk7ox3K4796TdaqWuY/cfBg==
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

2026-09-17T10:51:28.650654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055957
observed bf08b4b055d7090fa7d4b576e8d43b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.632999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055957/manifest.json
observed 603fcbd4b22a4f6f721d13bfc128e0df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.614814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055957/publication.md
observed 0858ec597abc2e0a8e69ce2ebe484cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.597464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055957/publication.txt
observed 7331b0c237745f09eaf45e3dbde0a102...
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.