OpenTechnical

OT-2026-000035023

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000035023) never changes.

Identity and time

Publication numberOT-2026-000035023 · never reused
Internal UUID01a0ae76-6a1c-7599-b44e-977e877a2dc2 · 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-2026-000035023
StatusPUBLIC

Content hashes

Canonical text228060cda0cf59c959c52e1eb3502122bbb93ba5897df59874c1aad9a6d33b97
Markdowncd378b435dfc38155956ba01dc72bd822d0a0484897b9c5eab4d662574df23fd
PDF
Publication page108fa57066a66a07b7abe59fbaf69a429d4b02ba33a5afa743af4311e08b3931
Manifest60742e6ab63057669cfaefbf92bc0c6193be0ae1897a511f22a356f6773ee702

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
SignatureK2+9rxhiYdWjOlcIUcSqyBZ+Oo2ztkJVK3gYuh0gwpWBQC3rlRdMTd86jcWFBQVLO8s4M0dmrmKxc3lXH4a6DQ==
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

2026-09-17T11:28:04.083800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035023
observed 108fa57066a66a07b7abe59fbaf69a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:04.064627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035023/manifest.json
observed 60742e6ab63057669cfaefbf92bc0c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:04.043147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035023/publication.md
observed cd378b435dfc38155956ba01dc72bd82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:04.021505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035023/publication.txt
observed 228060cda0cf59c959c52e1eb3502122...
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.