OpenTechnical

OT-2026-000009320

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, vented after 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-2026-000009320) never changes.

Identity and time

Publication numberOT-2026-000009320 · never reused
Internal UUID01a0ae6b-7561-736e-9947-d7d68b6e1972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009320
StatusPUBLIC

Content hashes

Canonical text901482dc5b2d44255ca378d7304a8eda6bec84c00efa8280f27e431cb0959d2f
Markdown6e527ae591a107136b09d20cda3ad702050cd81f66cf79ed24bc7754ed8fcfc5
PDF
Publication page42c07968001eb7117cac5f25b9f43c1889214e82574e062b5ce6996df9a397dc
Manifestc3fc4db1f17e1386f306b8a68db2563a212fbee46c568e374ef9be3033ffd1a6

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
SignatureCdsar02tdlj3OBcShfyDbgzX6xUrwG4vrSLjTfWD6vQEwHADqLelF+COn7vcS1t1xkv+sUfe4aUfSc++v3zGAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:34.357173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009320
observed 42c07968001eb7117cac5f25b9f43c18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:34.338131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009320/manifest.json
observed c3fc4db1f17e1386f306b8a68db2563a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:34.317655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009320/publication.md
observed 6e527ae591a107136b09d20cda3ad702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:34.297646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009320/publication.txt
observed 901482dc5b2d44255ca378d7304a8eda...
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.