OpenTechnical

OT-2026-000035531

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000035531) never changes.

Identity and time

Publication numberOT-2026-000035531 · never reused
Internal UUID01a0ae76-b4c5-7514-8fd8-b5cafdc3c6e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035531
StatusPUBLIC

Content hashes

Canonical text05d83ac61c1036589a0bc6bc19a8a1ab46f801917950f3dabffc309611a48266
Markdown441454db8918bcd0c9765981382c3dcb7d104276fb1353fb21908146e0288530
PDF
Publication pagedc678f0e3f33cdf1f5687a8a3dab9db60ae606586463ebaac64eccc27e791c92
Manifest7b5c93b15534692ee0c26a5bed2c7e60f6aa7dcf645c9a362aada330cf17e20a

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
Signature0pugQC7nsESCpCv3gfj+LPhLNmDbyPZvhBXas0ufDM+Uj9+ikLhuuPBxV8w9VlnRwjeRINVtlMWwCvEElYF8Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:57.355861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035531
observed dc678f0e3f33cdf1f5687a8a3dab9db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:57.339359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035531/manifest.json
observed 7b5c93b15534692ee0c26a5bed2c7e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:57.322565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035531/publication.md
observed 441454db8918bcd0c9765981382c3dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:57.306720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035531/publication.txt
observed 05d83ac61c1036589a0bc6bc19a8a1ab...
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.