OpenTechnical

OT-2026-000068465

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000068465) never changes.

Identity and time

Publication numberOT-2026-000068465 · never reused
Internal UUID01a0ae90-2481-73d9-922f-2f7750f1a431 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068465
StatusPUBLIC

Content hashes

Canonical texta0ab0bb4ee5a025cfc7c7b6dc82dea23d909142b6f09b1f4f9d424d21aa72eec
Markdown02a150c430d536b891ef3a460584b0a4ac9ad81667e6997e7c70d5e950e66259
PDF
Publication page276d7d60cf5e55ae9f405dedf930261ceb9b1ccf87dc3c144c7645e82e12a0e9
Manifestd539e73be76f2ee33484cc11583d221b17afd10fcb340293bbf77240379ccf6e

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
SignaturesmEyySsOY7UjR21ERL4Ploco4xeQFxJEsVLucw56shuVjYilrqDjVqva6sY4MLUWmzSSHdKO54H16xnVO1VKAg==
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

2026-09-17T10:29:36.863152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068465
observed 276d7d60cf5e55ae9f405dedf930261c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:36.843638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068465/manifest.json
observed d539e73be76f2ee33484cc11583d221b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:36.826213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068465/publication.md
observed 02a150c430d536b891ef3a460584b0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:36.807956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068465/publication.txt
observed a0ab0bb4ee5a025cfc7c7b6dc82dea23...
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.