OpenTechnical

OT-2026-000007280

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, pump fed, silicone cups, oval form

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-2026-000007280) never changes.

Identity and time

Publication numberOT-2026-000007280 · never reused
Internal UUID01a0a979-22fb-7bf9-98b2-a0618eb850f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:08:03.453849Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007280
StatusPUBLIC

Content hashes

Canonical text5bbeb137d27b523abd5982495df66877893784cdaddcf4618d8c34b29aea200e
Markdown361d1dcbee83b51a8d3a551e5ee7ae6b88d34fb4cc94afedcb950acb7c6b13e3
PDF
Publication pagec54aa3c9846b63b0adf959a4aed36f37157cec962b125d08dd7fa1450e9fbc6b
Manifestc3ac1993148b54adfb5082fd9d0b7274327c0cae418eb190d2fe92a8df721db3

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
Signature/pHCUb6/aQ2hZrFD70eECrvIQ1EBxkFWO+N1VDpP10BatfCHoctUSKUeWbwBWJbGQKwnIyX18Jnq0mG2b5H/DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:08.410489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007280
observed c54aa3c9846b63b0adf959a4aed36f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.399159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007280/manifest.json
observed c3ac1993148b54adfb5082fd9d0b7274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.386728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007280/publication.md
observed 361d1dcbee83b51a8d3a551e5ee7ae6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:08.258632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007280/publication.txt
observed 5bbeb137d27b523abd5982495df66877...
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.