OpenTechnical

OT-2026-000008275

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed 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-2026-000008275) never changes.

Identity and time

Publication numberOT-2026-000008275 · never reused
Internal UUID01a0ae6a-908e-7f8e-a67e-43acb51d37d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008275
StatusPUBLIC

Content hashes

Canonical text792d93af2af192ab33cf9600a6cfd2963c796513e356993680c07a57b629c6e8
Markdownec6ddd2fd05daf426136e4b42d74528f86d576eb80d12920549357204d7bf3ed
PDF
Publication page479bab741e383f1fcea54152a37d69212187e2c2e59fa014fcc7406c23bb6c4d
Manifest16f01336cb5f30c3edc46e35651bf99cc5d5d78796093eee3f0f016b61e065a1

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
SignatureO1L7wP4dMjhZoHc9Mj/I4GYkqyzeOTNUc2z6iEukkVmCNeFqoik+8bxUHY1XhZHfv/EByY4ksdFdsMkZHmC9AQ==
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

2026-09-17T12:20:42.738477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008275
observed 479bab741e383f1fcea54152a37d6921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:42.722188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008275/manifest.json
observed 16f01336cb5f30c3edc46e35651bf99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:42.706557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008275/publication.md
observed ec6ddd2fd05daf426136e4b42d74528f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:42.690033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008275/publication.txt
observed 792d93af2af192ab33cf9600a6cfd296...
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.