OpenTechnical

OT-2026-000008285

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000008285) never changes.

Identity and time

Publication numberOT-2026-000008285 · never reused
Internal UUID01a0ae6a-908e-78a0-9e0b-bbbc70a7a748 · 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-2026-000008285
StatusPUBLIC

Content hashes

Canonical textdee18f6465289930c174bc68b3fe84e4d80907cfecf466672e171da27d640c9c
Markdownab3d7997f1bdedd3b5a6321791e76815f3a384fa4b26c3c19664bd3a4d98b9f6
PDF
Publication page12e73e83b856a8201fe4a05cfeb483a6084f2df968c328b0ed7f3c501cbc3c59
Manifest1448f83ab9d9586ce075ae4f07ed8cd0ff219c076bb20c3ad1eac58d9a7c2b39

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
SignatureDnchL3F7ge8ti8U9MN+ryId8x5CVHGWmxL09yaUCSkfk34pVqlw3HUgPhPfmS+iLS+Kyv8YEuXKboebsyl1UAA==
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

2026-09-17T12:20:43.726369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008285
observed 12e73e83b856a8201fe4a05cfeb483a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.702678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008285/manifest.json
observed 1448f83ab9d9586ce075ae4f07ed8cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.685788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008285/publication.md
observed ab3d7997f1bdedd3b5a6321791e76815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:43.663586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008285/publication.txt
observed dee18f6465289930c174bc68b3fe84e4...
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.