OpenTechnical

OT-2026-000008138

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000008138) never changes.

Identity and time

Publication numberOT-2026-000008138 · never reused
Internal UUID01a0ae6a-908c-7413-870a-53c3eeab3d00 · 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-2026-000008138
StatusPUBLIC

Content hashes

Canonical textc3fa7e245c04c7b48e1d3f398b66d821d4865d224a041ad407c5d9bbde5f8641
Markdown13162ced71599203109c3db2017bedb54a5ab0d5e5e9210cdda5a4e16d09a327
PDF
Publication pagee9b241bbbbf4db528e371037bc544b8b1e06371a2704e494800f74e7ffeb54fa
Manifestfe2e2fef4a3de529753b94c69f6cb25cf806dd13b8fa8d0b09a5321d23e29c75

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
SignatureOHbFZX8Bc4DwDf8ObO0BZjLcYAYzWvEkWW4F4sGDICnVPj24RTJ7XkmmV+XKCrhlUIaeWDuUExDVdjplmW/ZBA==
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

2026-09-17T12:20:27.908558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008138
observed e9b241bbbbf4db528e371037bc544b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.889487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008138/manifest.json
observed fe2e2fef4a3de529753b94c69f6cb25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.871956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008138/publication.md
observed 13162ced71599203109c3db2017bedb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.855500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008138/publication.txt
observed c3fa7e245c04c7b48e1d3f398b66d821...
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.