OpenTechnical

OT-2026-000029779

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000029779) never changes.

Identity and time

Publication numberOT-2026-000029779 · never reused
Internal UUID01a0ae73-5e24-7c95-ad62-853782175bf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029779
StatusPUBLIC

Content hashes

Canonical text9b57630d4f9a0bd56bf3290fbacd37322bea8cb3017eb4fc5931daea34091006
Markdown8f077566eac79604195813a07282d3f65b022f31d2fea20d6c9c1f85b37fab85
PDF
Publication page95de9642be56d77ec145090fdcd688e72e4a6c37f40a38120d76ff52f00ae8d0
Manifestddcbc9176e940a784507a46b9c514f887bc2f67030505ebc25a8f64012ecae58

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
SignatureD8I5MwqNPalww+oWMsdp++bg+20rOqObwWHCvPSGfdpA26Vr30ljRC40qy99zD8MMs7Lt1c57jo7cv9kYUrkAw==
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

2026-09-17T11:39:32.806716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029779
observed 95de9642be56d77ec145090fdcd688e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.787674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029779/manifest.json
observed ddcbc9176e940a784507a46b9c514f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.768504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029779/publication.md
observed 8f077566eac79604195813a07282d3f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.750154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029779/publication.txt
observed 9b57630d4f9a0bd56bf3290fbacd3732...
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.