OpenTechnical

OT-2026-000035517

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000035517) never changes.

Identity and time

Publication numberOT-2026-000035517 · never reused
Internal UUID01a0ae76-b4c5-7f71-80ff-be598efd54e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035517
StatusPUBLIC

Content hashes

Canonical text8e8acc7894661be440eea2efe4ec7e98886735e306acac39258ab2d5cee1b54c
Markdown0fb2ae35f226f3691860202d6c6d2d004237a21309a8a3eafe15e9a245d0c384
PDF
Publication page31df606ff62fe1d090d487301f3ade5b37d2d42f0ad76a008c011b7b11e90870
Manifest20aeddb54db2880f02bd09b10acd8f47a3009bb4adff684e714c6f482434cbac

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
SignatureON2btOUR0hW2TlmBuyrS7+OJXrw6QwwcfNzSqX4NiHwq+l3fIWmwDg6HY9H3WfA61yn0N6j4O0jOWfVp28AICw==
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

2026-09-17T11:26:56.315393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035517
observed 31df606ff62fe1d090d487301f3ade5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.295481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035517/manifest.json
observed 20aeddb54db2880f02bd09b10acd8f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.276502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035517/publication.md
observed 0fb2ae35f226f3691860202d6c6d2d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.258972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035517/publication.txt
observed 8e8acc7894661be440eea2efe4ec7e98...
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.