OpenTechnical

OT-2026-000055468

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000055468) never changes.

Identity and time

Publication numberOT-2026-000055468 · never reused
Internal UUID01a0ae86-a102-7921-a2d1-6d5dae34c8ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055468
StatusPUBLIC

Content hashes

Canonical textec4e0add562eaf2437228b7fa12eb165b7b08ce387bbc15bea7e2941808056b2
Markdown6dbd295543c23db267fdea366f6853ef99da04eb669b42564548ffc8c993ca39
PDF
Publication page700452c0a1ca0f8ad1452293ee5072a65be5b07381dc74a79cdbd95bf4e4f22e
Manifest430c3e076017181e5b9c43cf4e73d36ab4c2241e1def69614bca9b5f7e1dcb3d

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
SignatureOiQfHCui9KasFMps0SgJT7lqgukpoBlBO0IYYD32J707g4Kdt5ZbbviM7Bw5hQ4xuPNrIPXk6VB2eGBtTMY6Dw==
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

2026-09-17T10:52:07.767853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055468
observed 700452c0a1ca0f8ad1452293ee5072a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.748774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055468/manifest.json
observed 430c3e076017181e5b9c43cf4e73d36a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.728782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055468/publication.md
observed 6dbd295543c23db267fdea366f6853ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.709172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055468/publication.txt
observed ec4e0add562eaf2437228b7fa12eb165...
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.