OpenTechnical

OT-2026-000025973

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025973) never changes.

Identity and time

Publication numberOT-2026-000025973 · never reused
Internal UUID01a0ae71-a83f-7861-a022-b7eaac662180 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025973
StatusPUBLIC

Content hashes

Canonical text431a5a14e54e530e4f929dcac47df4f6af5de55a52ccc24298a4de0b0e12bacc
Markdowncbefa7761328d42a218006035925fdc817b0b28e8da49e0560719697dfbd05ea
PDF
Publication pagec223509b6e668204c011f465db1fc226ddcf2c994959474040049cd2c1dd6d66
Manifest63dac527438715e52a2b4af23914820c4870e8386c3338379ab188b693a31c07

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
Signature/6balPsWdWUgVTzne32dgzko1RA1mb+fXMUkzG62msCFTl/cGt6g+XlHoZxanc5bLNb/WhAdeiRGGnqPItKJAA==
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

2026-09-17T11:46:20.506692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025973
observed c223509b6e668204c011f465db1fc226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.487524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025973/manifest.json
observed 63dac527438715e52a2b4af23914820c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.467274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025973/publication.md
observed cbefa7761328d42a218006035925fdc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.446037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025973/publication.txt
observed 431a5a14e54e530e4f929dcac47df4f6...
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.