OpenTechnical

OT-2026-000035515

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000035515) never changes.

Identity and time

Publication numberOT-2026-000035515 · never reused
Internal UUID01a0ae76-b4c5-7385-907c-1154f9101fb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035515
StatusPUBLIC

Content hashes

Canonical textf043dde68187cb9c721bfd93b6ffcfdbddf5f2534af4f5a9a7ee17c5c1cbcfc8
Markdowncaa9bcfa3b9c947414a9decbe42972fe37718d2631a874d490e6770a7e728c74
PDF
Publication page220b83b23be23f0b1774492793b9f0a0891041a92ab7dab4451d133315f87135
Manifesta915f65076ee3a1a9fbc916817c16f1c8b0e43bd15de72f2035d31e95b9156e1

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
SignatureUMdG46T6gsDN2JcHHnVv5aKkZKsQvLE/8RNZThh+Weq8vyHTaTab9O0myYu6Lnhw3hR3PAYU0X9tpKNTEhJiDw==
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

2026-09-17T11:26:56.172968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035515
observed 220b83b23be23f0b1774492793b9f0a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.156918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035515/manifest.json
observed a915f65076ee3a1a9fbc916817c16f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.139815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035515/publication.md
observed caa9bcfa3b9c947414a9decbe42972fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.122192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035515/publication.txt
observed f043dde68187cb9c721bfd93b6ffcfdb...
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.