OpenTechnical

OT-2026-000034507

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000034507) never changes.

Identity and time

Publication numberOT-2026-000034507 · never reused
Internal UUID01a0ae76-1ed0-7204-b0f3-f7af32695a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034507
StatusPUBLIC

Content hashes

Canonical textf5139a7661b91bcbcfb1af63937c88991fea4e184d1bf0959966fef8fbe0f02c
Markdown0709c5d4e3e90ff4dd010ddc91ee7383fcbc1770a7fb3f89e8664e8dbe4a0d2e
PDF
Publication page161d3479644d15cd2c85899e2f654dadf446c7a3a50734845333b7b1596ea381
Manifest606209abf06cc1b933f5b37b0b129d5441112433f1c062e96918ec4cb6a3728a

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
Signaturek2WHheqJOM/GMfcud/Puz5inYUcnrlKDyzuVqHCxXPoYHvMz5TcR9I1380zEW8ND/iuaZlgbghVdXq7GxX0jDw==
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

2026-09-17T11:28:51.327729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034507
observed 161d3479644d15cd2c85899e2f654dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:51.307526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034507/manifest.json
observed 606209abf06cc1b933f5b37b0b129d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:51.272482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034507/publication.md
observed 0709c5d4e3e90ff4dd010ddc91ee7383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:50.642843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034507/publication.txt
observed f5139a7661b91bcbcfb1af63937c8899...
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.