OpenTechnical

OT-2026-000056647

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000056647) never changes.

Identity and time

Publication numberOT-2026-000056647 · never reused
Internal UUID01a0ae87-7af6-7a81-9602-9932321361a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056647
StatusPUBLIC

Content hashes

Canonical texta11f763338a98d999cdb839c1a7d39105b01a3c981e20cee9bd40f8cc0755dcb
Markdown479458f2e8cca31f1d1c48069279efcaef190c6fd109d7089491abbcd6b5743f
PDF
Publication page9fca206349764fbc9abb4b19ae3f81d05605255f364323250ce93d78baf77e91
Manifestcddd7184bae626e1c009c9f48ca3e3111177343c3d2ea6e7f055545005c1ee75

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
Signaturedu6Vic/DVo8Q6uYmqUfQLlAmlMnyAMZ0Aszf/SBGm6qrajBq48VEz/Dy4BjQBgVZYwuInBvek/3pLrC/DjPZCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:00.623021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056647
observed 9fca206349764fbc9abb4b19ae3f81d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.604320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056647/manifest.json
observed cddd7184bae626e1c009c9f48ca3e311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.585240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056647/publication.md
observed 479458f2e8cca31f1d1c48069279efca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.566986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056647/publication.txt
observed a11f763338a98d999cdb839c1a7d3910...
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.