OpenTechnical

OT-2026-000055527

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000055527) never changes.

Identity and time

Publication numberOT-2026-000055527 · never reused
Internal UUID01a0ae86-a102-7da7-8811-afbc84475439 · 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-2026-000055527
StatusPUBLIC

Content hashes

Canonical text17f6e0aa1a270b372fdc3c910446e6cd6ae5e387020ae9183d73d6f8559a86ca
Markdown12f9bedaf99d20ef031ede59fdfa5299178da003472e2c29e0678cca063f40e0
PDF
Publication page9c872ebb18c4069bf5ee313530ca58e80938193b879bd684fc04419eb257120d
Manifesta3c805ec9b610050709169fc518caf214f05acaed3edc2fbcbe77888301a1948

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
Signature9Q2N8f6dEM6Vndpn0XjelgV1sNxwIpyM8pYAbh1qrlvRl9x0JMX70iFlHoKkKcUy+o4Uj2uvJDmwje9sFA96Bg==
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

2026-09-17T10:52:12.325119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055527
observed 9c872ebb18c4069bf5ee313530ca58e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:12.308425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055527/manifest.json
observed a3c805ec9b610050709169fc518caf21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:12.291369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055527/publication.md
observed 12f9bedaf99d20ef031ede59fdfa5299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:12.273948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055527/publication.txt
observed 17f6e0aa1a270b372fdc3c910446e6cd...
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.