OpenTechnical

OT-2026-000083743

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, sustained 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-2026-000083743) never changes.

Identity and time

Publication numberOT-2026-000083743 · never reused
Internal UUID01a0ae98-0417-7447-a04b-62e2cfd4e712 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083743
StatusPUBLIC

Content hashes

Canonical text98f4bb22b903b3370efb40765a163a2c58ccdaa6fbc48f698da3e1e531eb835d
Markdown2b37ec702e0d32e182ce92e9290a3dac931dc1780cf7cda38c4144d728427c7d
PDF
Publication page6bf7e8342b953cc05110ecf041629c7767733f9641e2f52067f1da395fcb5126
Manifest11a8809cff09034d907274329663f6c231f041fbfe568aa9a6be71374d5aa1cd

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
SignatureHmM7XDrBs4WGVjPDi7D0/1T7lqOu8B++iLmapwz75YwLw++khPO1gh6GYeZHmAHOLLrn/9ChiTZ54jS2CGQNCA==
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

2026-09-17T09:57:22.748871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083743
observed 6bf7e8342b953cc05110ecf041629c77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.731306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083743/manifest.json
observed 11a8809cff09034d907274329663f6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.714528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083743/publication.md
observed 2b37ec702e0d32e182ce92e9290a3dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.697299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083743/publication.txt
observed 98f4bb22b903b3370efb40765a163a2c...
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.