OpenTechnical

OT-2026-000009492

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000009492) never changes.

Identity and time

Publication numberOT-2026-000009492 · never reused
Internal UUID01a0ae6b-7562-78e6-8d76-cc40f0dd54b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009492
StatusPUBLIC

Content hashes

Canonical text5602d93b9840809c01daa9cb3cd15531be8a8cba166cf71b18b2ced73a28c4fa
Markdowneca8025b23ed984755682a1500544e10bc63cec5e7aa0420cd9f5947e0b55fc1
PDF
Publication page4e8a75576b1ed24725c886a0ee84a048929cab53cd84eb422a9c22fee1af50c0
Manifest9b8ebdadb456fb6266de78a97a69878e01ab55a0560665ce72ea5f67cd5aa89c

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
SignatureRXLmXMg6XW8Jz3Ik1YIgdPfb1/gl8tjvFGZgmUgx0vJkvmJ9RZlB45PTYKexV+m7fAbupnE0fs2zTTTdYByFDQ==
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

2026-09-17T12:16:53.710055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009492
observed 4e8a75576b1ed24725c886a0ee84a048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.692006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009492/manifest.json
observed 9b8ebdadb456fb6266de78a97a69878e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.671552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009492/publication.md
observed eca8025b23ed984755682a1500544e10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.653043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009492/publication.txt
observed 5602d93b9840809c01daa9cb3cd15531...
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.