OpenTechnical

OT-2026-000035271

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-2026-000035271) never changes.

Identity and time

Publication numberOT-2026-000035271 · never reused
Internal UUID01a0ae76-6a1f-70df-a2a7-45070d9e030b · 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-2026-000035271
StatusPUBLIC

Content hashes

Canonical text1722b30b50f0771d70007edd02ae7d51a60c554c51e26657c4ff7bc33fb859ae
Markdowndd7033cb8c1cf0efce3f88ecfc9eff3b6aac5fd2cca28ac4c80bbf8c223adbbd
PDF
Publication page63574d27ea2285cdf16eed7bbb39d4a6708d482d993929ac5773f75ce2b2141f
Manifest361a3146f8d5f67ce39b5f2723e803261b685cb8d588b32f3b810956cda88920

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
Signaturet1MWWYGuFl+3AdPmSIYICq7lQhmB5v5BpRJ/jTZjIEWdRajeNiOj9RzXU+oeAbJ/a52egzZeAcdPvD0UMxg2AQ==
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

2026-09-17T11:28:25.219521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035271
observed 63574d27ea2285cdf16eed7bbb39d4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:25.202430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035271/manifest.json
observed 361a3146f8d5f67ce39b5f2723e80326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:25.183909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035271/publication.md
observed dd7033cb8c1cf0efce3f88ecfc9eff3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:25.166612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035271/publication.txt
observed 1722b30b50f0771d70007edd02ae7d51...
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.