OpenTechnical

OT-2026-000035247

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000035247) never changes.

Identity and time

Publication numberOT-2026-000035247 · never reused
Internal UUID01a0ae76-6a1f-75d0-87a8-c1b4c2022216 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035247
StatusPUBLIC

Content hashes

Canonical textc8468649c4bdeb559abd0b884ad833c333ec27b8a42ca1586e8de96851b1d705
Markdown86f358b63a053ba9d101237946e20eb65e01e9a2bee98ee5fc83f2fd4661eaaa
PDF
Publication pageccbd0d868dc8f7457c17e79ef4e35d6ce834546147e0d8336e22ebefa256d6f4
Manifestc7e97aa4afc2f166f73435b8a6fd144227204d1e4440b2becf0a9e15a4d7d567

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
SignatureFXSdSNBOCKyBWNjXxK/tMfzhvvjeGPB40xAoBR/f55CJ64kimhfOn0udpDx5jxTuQIHkVYVPV/Sbd1FoVTfaCA==
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

2026-09-17T11:28:23.333710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035247
observed ccbd0d868dc8f7457c17e79ef4e35d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:23.316384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035247/manifest.json
observed c7e97aa4afc2f166f73435b8a6fd1442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:23.295694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035247/publication.md
observed 86f358b63a053ba9d101237946e20eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:23.278050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035247/publication.txt
observed c8468649c4bdeb559abd0b884ad833c3...
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.