OpenTechnical

OT-2026-000081961

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000081961) never changes.

Identity and time

Publication numberOT-2026-000081961 · never reused
Internal UUID01a0ae97-0f77-7b0b-b7d0-2128cec7b73d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081961
StatusPUBLIC

Content hashes

Canonical text74f2dc43917cf483e5cdac4b624646d53b94b55da2808e52e4184278d70675bd
Markdown58e9fd1e33240ccdb8d354365e89ed709fe336c7fa073275fc2721c84082ca9f
PDF
Publication page8f2867e86b79290e46ddbbcbfd0ac251bcd119235da43a9832e0c076a930d338
Manifest06efdf8d9122334cb297a0699fb57959764871632c869005b7a996a1f1d731c7

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
SignatureFXo7zeObvycJhAPPHYh/i1D4phbKkNX9VTXDambNH0haI/W5A7wcdWRgPHzIfSDgnGtlnGvhepGFEm1MKXwwDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:05.883134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081961
observed 8f2867e86b79290e46ddbbcbfd0ac251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.866397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081961/manifest.json
observed 06efdf8d9122334cb297a0699fb57959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.850877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081961/publication.md
observed 58e9fd1e33240ccdb8d354365e89ed70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.834733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081961/publication.txt
observed 74f2dc43917cf483e5cdac4b624646d5...
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.