OpenTechnical

OT-2026-000050737

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000050737) never changes.

Identity and time

Publication numberOT-2026-000050737 · never reused
Internal UUID01a0ae82-c7b1-7749-b697-58ff0b3a6f81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050737
StatusPUBLIC

Content hashes

Canonical textce7f012b9bb4f04872baefd0b58497b18d9355b0db4a56ad6688e09e0991b90c
Markdown4da2ae048763231ad9030b29d011d38cf6fbc4cec5e6444e5af764b1d1fb9f53
PDF
Publication page9049fea7b9e3e6ad0e7baa9583e1fcd96105e81e67a888a07f7c6c93cb17fbaa
Manifeste265a1904ebbce950ef3abfbb48398dde53d342758c88d341fc1a06c2a06cb76

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
SignatureNLLoYkpeF0d1Uuryi2nzXIk6hMvnbevr2MfstJi1VkgftQZn+GJ4urufc8OcuMMQkUmYezdApUSAw1LJr4mCCQ==
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

2026-09-17T11:00:06.588690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050737
observed 9049fea7b9e3e6ad0e7baa9583e1fcd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.562872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050737/manifest.json
observed e265a1904ebbce950ef3abfbb48398dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.544957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050737
observed 9049fea7b9e3e6ad0e7baa9583e1fcd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.544642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050737/publication.md
observed 4da2ae048763231ad9030b29d011d38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.527060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050737/publication.txt
observed ce7f012b9bb4f04872baefd0b58497b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.523853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050737/manifest.json
observed e265a1904ebbce950ef3abfbb48398dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.501979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050737/publication.md
observed 4da2ae048763231ad9030b29d011d38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.482863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050737/publication.txt
observed ce7f012b9bb4f04872baefd0b58497b1...
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.