OpenTechnical

OT-2026-000073301

Publication integrity record

Two cup vacuum gripper, two zone face, six 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-2026-000073301) never changes.

Identity and time

Publication numberOT-2026-000073301 · never reused
Internal UUID01a0ae92-efb7-7021-af5c-a91673e1841f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073301
StatusPUBLIC

Content hashes

Canonical text520fd1cf88b331c39adf6f6cb7382c8e0ef1cd93d62e2e36b39407a8c3cd2d02
Markdownd83af90a9fe042cf7008d77d7f9f890443d3edd4328fd0ed828819c73868d101
PDF
Publication page9b641bd73176f9523c420936719b8ab925af6e31fd0c40af87867659de5b9a33
Manifest3b12c231c3bf6bf122b305cefc0f488feb1f2531f95a1775cb7e9bb9c0ad2e97

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
Signaturegm+RMUrb6aV/kkCD4UrxE9XnE3mwtwcvnrGx6wnCUEV+i0MKQ3z2dfG5bDM07Te+7oLUIEvfFjuvNlypXQsvCQ==
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

2026-09-17T10:21:18.672499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073301
observed 9b641bd73176f9523c420936719b8ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.654367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073301/manifest.json
observed 3b12c231c3bf6bf122b305cefc0f488f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.634980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073301/publication.md
observed d83af90a9fe042cf7008d77d7f9f8904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.616922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073301/publication.txt
observed 520fd1cf88b331c39adf6f6cb7382c8e...
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.