OpenTechnical

OT-2026-000008822

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000008822) never changes.

Identity and time

Publication numberOT-2026-000008822 · never reused
Internal UUID01a0ae6b-31b6-7ebc-9016-d7aa7bb0bf36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008822
StatusPUBLIC

Content hashes

Canonical textcb0e20a372cfb16e3290f4630726c284c8f3f345c021d030df52feb7104939f7
Markdown39c034ed694000c8639a0f1bfb4a2c4538aa1ae0ad88c033f0adf55058989095
PDF
Publication page21dc49360c1f77224ba2dce42aa896f313dc473aa42c7690797a162ebd5fd866
Manifestfe86b4470aaab7226f6ae9e7fbbf71f5a4fd10c69a4a628dbc790498f0fc49de

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
SignatureeIvRa3L6uZrYyGFqv39exm0j0L+2cdLoJdSRCbukUm0t01M2+SG3xFpIXeAefm/sw3S4cOOE5H2KRvAiDmerAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:22.977398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008822
observed 21dc49360c1f77224ba2dce42aa896f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.958336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008822/manifest.json
observed fe86b4470aaab7226f6ae9e7fbbf71f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.937846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008822/publication.md
observed 39c034ed694000c8639a0f1bfb4a2c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.919574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008822/publication.txt
observed cb0e20a372cfb16e3290f4630726c284...
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.