OpenTechnical

OT-2026-000069899

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000069899) never changes.

Identity and time

Publication numberOT-2026-000069899 · never reused
Internal UUID01a0ae91-1860-7988-858c-e5a81b16acbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069899
StatusPUBLIC

Content hashes

Canonical text7bb717a332cdab39336fbda3da541e0004c64344c1d8485173d861934e932d57
Markdownbe27ce5d11e1a46bb96048104b288da5b8c6b1ed389b0462249aad25be601f5d
PDF
Publication page4166d74e9b7cae6213a870f8bdfb4a715adf227cd5d7b5c90e6d08735dcc94eb
Manifest2aa7111be543d07cd7394577ebe6d10c1277c8b140c9fc3443b8d7b3a53d5482

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
Signaturec/2hBYPfW2hvGFeZmlPbYZkrP1O9mNgQYxqt6Ed/OebIJQDZ4kt4W5yhwHBbOuMFqr2eO747m6TNcbKc7a9KCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:44.037787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069899
observed 4166d74e9b7cae6213a870f8bdfb4a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:44.020526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069899/manifest.json
observed 2aa7111be543d07cd7394577ebe6d10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:44.002560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069899/publication.md
observed be27ce5d11e1a46bb96048104b288da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.984292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069899/publication.txt
observed 7bb717a332cdab39336fbda3da541e00...
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.