OpenTechnical

OT-2026-000100899

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100899) never changes.

Identity and time

Publication numberOT-2026-000100899 · never reused
Internal UUID01a0aea3-c376-7243-9d8b-370cda8faee8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100899
StatusPUBLIC

Content hashes

Canonical textcd91e6a64d3cd25221c41aba02584bef51d36981214337d7d4db5f9270d1b1bf
Markdowne41fc842392b62c68c5a4faeefb91050e040412da0d95a9495b91e6e09562294
PDF
Publication page3a5300d9929f42cbe5e902f75b95d968a28a29988aa8fc6d437ec045a1fcd3bd
Manifesta3f530dabc6915ed561631eb43e6f5f757fbc2caf8e7ec089f39bb061bb24aa4

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
Signature3IRGoLqUh3EXzTUFO8C4Cw2Hq4uP4GNlqZrqd512Zp4etSloMLPPqcSuMdWx9MZKgcfYkJQm8aQB2UqbDSKxAw==
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

2026-09-17T09:26:23.659754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100899
observed 3a5300d9929f42cbe5e902f75b95d968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.642918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100899/manifest.json
observed a3f530dabc6915ed561631eb43e6f5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.625896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100899/publication.md
observed e41fc842392b62c68c5a4faeefb91050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.607213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100899/publication.txt
observed cd91e6a64d3cd25221c41aba02584bef...
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.