OpenTechnical

OT-2026-000072449

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000072449) never changes.

Identity and time

Publication numberOT-2026-000072449 · never reused
Internal UUID01a0ae92-89d8-7880-917f-bee0e42505c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072449
StatusPUBLIC

Content hashes

Canonical textd4b905a647b168d73713a0bae6d76a6aac3b91600a3e0f56fdb17daab6313153
Markdown32520706d3f500c98f13456d38af35605a7befbb9418fc3b92b74deaf0193807
PDF
Publication page0ff100e5d9167440cbdce6d34eaa2965f0621cffed60ab07f7719764eef217ca
Manifest62de1c395cde52fd648c7de087386909afeeae370a040e9a899e23eae767a90d

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
Signatureitzk7k16Dh10NedMl5SSMepFpnyuivMW1YiC6ZolS3oUmoP9cf6yt1tzPYi4u06SKeYAjc1T+cb1XRRSBSiIBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:16.151538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072449
observed 0ff100e5d9167440cbdce6d34eaa2965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:16.135059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072449/manifest.json
observed 62de1c395cde52fd648c7de087386909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:16.115912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072449/publication.md
observed 32520706d3f500c98f13456d38af3560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:16.098561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072449/publication.txt
observed d4b905a647b168d73713a0bae6d76a6a...
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.