OpenTechnical

OT-2026-000014158

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000014158) never changes.

Identity and time

Publication numberOT-2026-000014158 · never reused
Internal UUID01a0ae6d-b278-7f0c-a0f4-c3a7ca7cd648 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014158
StatusPUBLIC

Content hashes

Canonical textd59aa91a3d970d29b9804a5f6e4ab5bb99bd4953553435f5ae94519630f911fa
Markdown84c462a4df424b13577e45ea162631c706d3590e603460dbc80e4f0262152125
PDF
Publication page7bdc4dd3090a4bb4d3031ab82a35c47b901506d72b6eaf15f877c5fa702249a5
Manifestb3caa675714102d42c31d79d4ac5af4934fbef09992a147a8d8f550d69c06e24

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
SignaturemHiTF8NRsBwg9KQm1kB6713m8j5Ace5FnelvpLvZp1wejq7DWnxLw+mo+FBRbcx1G/t1xQJuzFiuYUqsGqS8DQ==
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

2026-09-17T12:07:14.517010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014158
observed 7bdc4dd3090a4bb4d3031ab82a35c47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.498128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014158/manifest.json
observed b3caa675714102d42c31d79d4ac5af49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.479427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014158/publication.md
observed 84c462a4df424b13577e45ea162631c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.460379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014158/publication.txt
observed d59aa91a3d970d29b9804a5f6e4ab5bb...
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.