OpenTechnical

OT-2026-000029771

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-2026-000029771) never changes.

Identity and time

Publication numberOT-2026-000029771 · never reused
Internal UUID01a0ae73-5e24-7ace-831e-7ef9e23fe81e · 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-2026-000029771
StatusPUBLIC

Content hashes

Canonical textcd59bfd34678983073f17250bf344227b70672f0ee26b644b3effb38586dad71
Markdown4f6f6f82d24ee02fd29bc64641b175216bf7ffd153b01ba035d4a223091a2107
PDF
Publication page0443d3b75d4d451733cea17437ed3c5db54037f0050d16447cb392e72f588a9e
Manifesta65f0b1d63fd5c493cb215711c61f440c107e6f830de6a928493a4b8ab4f32bd

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
SignatureIxRXr10URMNtT9//OHuSRqYfA/yPi9sAHWj0cYWmWwPGocDokG/NmLA6b69i1CdzaJ7r14ziXzXrh+m592jJBw==
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

2026-09-17T11:39:32.115441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029771
observed 0443d3b75d4d451733cea17437ed3c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.097122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029771/manifest.json
observed a65f0b1d63fd5c493cb215711c61f440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.078947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029771/publication.md
observed 4f6f6f82d24ee02fd29bc64641b17521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.060156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029771/publication.txt
observed cd59bfd34678983073f17250bf344227...
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.