OpenTechnical

OT-2026-000076171

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000076171) never changes.

Identity and time

Publication numberOT-2026-000076171 · never reused
Internal UUID01a0ae94-6a6f-71be-89d1-f5da7ca966bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076171
StatusPUBLIC

Content hashes

Canonical textae1fa24effc03f95429149eb6770e1a445f7ef999a76aa36c0ff0a0b3df86b33
Markdownea4c21d5895fcfa2cf17db0e2cc8be2604532babd9343c9fdade9fd555c054b6
PDF
Publication page3064475d186954e598230c5a21aa57302d523639ab95e55dac618807f0be9d5d
Manifestb93c662fe326e71b744e38c568a58a60572e8162ecaf6e210da6c5d6d2da807c

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
SignatureZlPY+S+k7HLocRSj9LxH47tjUwWbtW8cVWQBIufVzpzVvYWc59YLfzwlAzwpYfAZsAdt0XkbixBD6qpPeM3QBA==
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

2026-09-17T10:11:25.017218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076171
observed 3064475d186954e598230c5a21aa5730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:24.996552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076171/manifest.json
observed b93c662fe326e71b744e38c568a58a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:24.688250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076171/publication.md
observed ea4c21d5895fcfa2cf17db0e2cc8be26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:24.062244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076171/publication.txt
observed ae1fa24effc03f95429149eb6770e1a4...
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.