OpenTechnical

OT-2026-000008067

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000008067) never changes.

Identity and time

Publication numberOT-2026-000008067 · never reused
Internal UUID01a0ae6a-908c-720a-8db7-1dd96b6527de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008067
StatusPUBLIC

Content hashes

Canonical text90dfbfd53985521624511659d8b072d4905e7ba52646af68f50b501d9e6a7a9a
Markdown41ecdf7cdb3a73c7b1d026492112572e0903ccf4fd0c5886051fc93fff465251
PDF
Publication page74616cd33e1f89e37bcd26106570f8ef669339f6e7c15b8b77cebc068a4be1c6
Manifest87291d7f3861b4fb1b787dba4f7d773d684b582e3cb0b34a17439937a9dabd9f

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
SignatureDPSdMUGz65xhPEYhicHZ5VFD6Jx+ThWZGzswHZg5CXUlPQkTRktUvotSgNPSXwDfIzx+kyxc22NzgOurPGKHAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:39.930472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008067
observed 74616cd33e1f89e37bcd26106570f8ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.914384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008067/manifest.json
observed 87291d7f3861b4fb1b787dba4f7d773d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.895683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008067/publication.md
observed 41ecdf7cdb3a73c7b1d026492112572e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.877993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008067/publication.txt
observed 90dfbfd53985521624511659d8b072d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.930594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008067
observed 74616cd33e1f89e37bcd26106570f8ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.910483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008067/manifest.json
observed 87291d7f3861b4fb1b787dba4f7d773d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.888358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008067/publication.md
observed 41ecdf7cdb3a73c7b1d026492112572e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.863930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008067/publication.txt
observed 90dfbfd53985521624511659d8b072d4...
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.