OpenTechnical

OT-2026-000035287

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000035287) never changes.

Identity and time

Publication numberOT-2026-000035287 · never reused
Internal UUID01a0ae76-6a1f-7337-92b4-1e980aa4e790 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035287
StatusPUBLIC

Content hashes

Canonical text2a550f9ec44482c9886bde3eae53d0948b0f57795d05bf59df99d3bd2ce35603
Markdown2d721855d15ce48963ca854a72bafa3caa8e0f155b1f6e94766c72259b5d80fb
PDF
Publication page0d3a5ff496454913ca9b58eaddcb9af0c33f332947cf5e552b48f6d93b6d1689
Manifesta668a1a8fe65de93b8930247d1f5baed1b277a3ce4b7ecf84b27db24f84aec2e

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
SignatureHcCxNJdKBtn6F0TdotGfhYwhspH+q1Kjm32b9zKpBn4TH5VLPUeNW5FNvTEgdj8DinIBA+VF1heN45T0w7M/CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:28:26.468540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035287
observed 0d3a5ff496454913ca9b58eaddcb9af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:26.450695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035287/manifest.json
observed a668a1a8fe65de93b8930247d1f5baed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:26.434612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035287/publication.md
observed 2d721855d15ce48963ca854a72bafa3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:26.418132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035287/publication.txt
observed 2a550f9ec44482c9886bde3eae53d094...
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.