OpenTechnical

OT-2026-000013673

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013673) never changes.

Identity and time

Publication numberOT-2026-000013673 · never reused
Internal UUID01a0ae6d-8de8-749c-a6c9-61947c6c89d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013673
StatusPUBLIC

Content hashes

Canonical texte0fcbdf6a517718d762e2905b5ea3fd158eef851e819464e59a7fe2245531354
Markdowna2e75a3f61701c40c2c1a8dd6c67cf4fdc114f4cd64b646efb76b374bac8e2fb
PDF
Publication page505490f279cc7bc94ec32c6e04842d7723da19ec02e1a641eabb5b91f1d0e515
Manifest294e98e9ed0166f5cd668306b6710e5702407662184cdd457d2480331661f320

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
SignatureDvqLSMcKagSTPmQx4Spvo+hGsXP7ZONzS4Wm3CxkcAEXE8nyrM4ItrBFOUrNZV/ImjtK6PEOWrgEssLV0UO2Ag==
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

2026-09-17T12:08:37.137923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013673
observed 505490f279cc7bc94ec32c6e04842d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.119944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013673/manifest.json
observed 294e98e9ed0166f5cd668306b6710e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.102484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013673/publication.md
observed a2e75a3f61701c40c2c1a8dd6c67cf4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:37.085040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013673/publication.txt
observed e0fcbdf6a517718d762e2905b5ea3fd1...
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.