OpenTechnical

OT-2026-000068936

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000068936) never changes.

Identity and time

Publication numberOT-2026-000068936 · never reused
Internal UUID01a0ae90-6dcd-738e-b28c-e28b851556ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068936
StatusPUBLIC

Content hashes

Canonical text694f83bc13ef644367acad9814e0da4bdb552a886d64576fcf9d07a9148a94a5
Markdownd2cc3e1027974d215d624dc829f3dad65c79359b10268fb71eed0d06599fba80
PDF
Publication pagef5b05c2c830240ad2958e3298c3499ead94c2508380a572733948f49ac664d09
Manifest803347c250b535705e32f1bbf7fef67adf342096cf36685b2538c5808d66100f

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
SignaturesV8wzILFx1kGjRpGjUoK5ELhEKUU8TWo5mSTekbtsivKeNmiEwpeMsXLEDIyJ/mYoi6aVKrokff65hN5GzSHBw==
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

2026-09-17T10:28:46.098527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068936
observed f5b05c2c830240ad2958e3298c3499ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.082179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068936/manifest.json
observed 803347c250b535705e32f1bbf7fef67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.066755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068936/publication.md
observed d2cc3e1027974d215d624dc829f3dad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.050614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068936/publication.txt
observed 694f83bc13ef644367acad9814e0da4b...
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.