OpenTechnical

OT-2026-000054823

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed 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-2026-000054823) never changes.

Identity and time

Publication numberOT-2026-000054823 · never reused
Internal UUID01a0ae86-1285-73bf-a021-b8f64d81758d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054823
StatusPUBLIC

Content hashes

Canonical text2cb6b5b2f440a3db30801e7a0604539a2c9355f40f351ef7c99db032125c06cf
Markdownce2666ee95e331e7add0f0b617ab7f72e441b7dbb8c876f123919fbe3d1797d1
PDF
Publication page299f6805fd4ba7e7803f640b5a1c3d4018a1130634ca05803db4e85dd89dc3a8
Manifest7633f5b98e5ee971f040b9c506ff5e1be100d134f2dc1e1205b798bc147f7f06

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
SignatureuzXrloX4kD28hyZjdnXSLag3wIvRL/+nvDhIStv4YHSowKFMgxKp0EXwlvHSrWG4JLGQpRxUEwbyHQRv2Fv6CA==
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

2026-09-17T10:54:01.960722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054823
observed 299f6805fd4ba7e7803f640b5a1c3d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.941636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054823/manifest.json
observed 7633f5b98e5ee971f040b9c506ff5e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.922524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054823/publication.md
observed ce2666ee95e331e7add0f0b617ab7f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.904168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054823/publication.txt
observed 2cb6b5b2f440a3db30801e7a0604539a...
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.