OpenTechnical

OT-2026-000100171

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000100171) never changes.

Identity and time

Publication numberOT-2026-000100171 · never reused
Internal UUID01a0aea3-3052-7cb3-a578-77b78cb28f6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100171
StatusPUBLIC

Content hashes

Canonical textb42b83173d6b5396077e1313983b12dcb3216ab5581de1f61543ce98609d03c0
Markdown1182286fe4751135fbdf8f5aa830184b79f8c29e5ce4def07a8d8a6734180650
PDF
Publication page0681e26bdad42a7d2e1c106dd3f8b7ccf7eed3fd4ede64dc3d8aa5aef7c57f1d
Manifest452f5cdd3abde75e695691e4144ffeaa3b4927f5614809a4012e9ca3a58f0590

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
Signaturef1KoRNN9SB1Zbm04HQFm2YG9+VhnQw4gkbl0jSp2dsIO0wVO3BmltW3UWfjzfVrdNcZ/Wz1uVwqiOmZRQuEqCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:52.940994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100171
observed 0681e26bdad42a7d2e1c106dd3f8b7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.923343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100171/manifest.json
observed 452f5cdd3abde75e695691e4144ffeaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.905689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100171/publication.md
observed 1182286fe4751135fbdf8f5aa830184b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.887320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100171/publication.txt
observed b42b83173d6b5396077e1313983b12dc...
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.