OpenTechnical

OT-2026-000007508

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000007508) never changes.

Identity and time

Publication numberOT-2026-000007508 · never reused
Internal UUID01a0ae62-4df5-7eaf-9f2d-2eef5e8fca3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007508
StatusPUBLIC

Content hashes

Canonical text35ff590f3180c1a0c2e8f1e70c8e3fbea6ba463431fc83f16b5bd0e06b6b2ad7
Markdown40db836b0beece03db4b491ec64867ec638bb87b6b7e2207066887b594dbf7ef
PDF
Publication page74f853f1c9488fb59b1ea70df3f7ff6a0caaa1f4ca928c9eac0d9e219a8c6653
Manifest0304c50e92739a2dea14c5afc878de1c9430d0e47caa2fdc892c4e6a061a7a2e

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
Signaturet3T/uC+58smdKkh7/PlJYXKID8txITkJQcKQycdTp4t1S/mjcsTpyDchxuPQWITTD9UeDYBWBZBVMDTmJVrsDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:20.794503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007508
observed 74f853f1c9488fb59b1ea70df3f7ff6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.776590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007508/manifest.json
observed 0304c50e92739a2dea14c5afc878de1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.759403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007508/publication.md
observed 40db836b0beece03db4b491ec64867ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.742321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007508/publication.txt
observed 35ff590f3180c1a0c2e8f1e70c8e3fbe...
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.