OpenTechnical

OT-2026-000020788

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000020788) never changes.

Identity and time

Publication numberOT-2026-000020788 · never reused
Internal UUID01a0ae6f-65e3-720b-93ab-c7584d41f327 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020788
StatusPUBLIC

Content hashes

Canonical text74cb60211bee71172286c2eeec0aa33bde7808027450a69a3a5bcd024ac08989
Markdown59f9bad170769106402e22809a27796a8b4092f5ccd7066356d45224f157bba5
PDF
Publication pagef62f5883cee7c5f51520ea7d3a3a80eb4d6c486c1243d78cc4f6a48f2105f4cd
Manifestd3d80c78682a8c8384121831539e347b4adc36d3a1ac57f7389bed4cf246368a

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
SignatureNqlbLauFASoYHoL85e++s7ohLYgoD0HRd9A+SdNTC4GEshRWSuJxBm3nCt95hxqu/Gog0shy/8oZz+t0a/DPBw==
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

2026-09-17T11:55:52.124608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020788
observed f62f5883cee7c5f51520ea7d3a3a80eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.106547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020788/manifest.json
observed d3d80c78682a8c8384121831539e347b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.087945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020788/publication.md
observed 59f9bad170769106402e22809a27796a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.071347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020788/publication.txt
observed 74cb60211bee71172286c2eeec0aa33b...
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.