OpenTechnical

OT-2026-000027633

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000027633) never changes.

Identity and time

Publication numberOT-2026-000027633 · never reused
Internal UUID01a0ae72-6999-7f26-95bb-2e23be608053 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027633
StatusPUBLIC

Content hashes

Canonical textfeac1600b62614dd28ac74b7acf82551e9101ddf132433bec02ff2599410511a
Markdown7bd0bc6b795c99e2dba6ab71a61c42ae992a54fb42d8ea0fa5e50fdcf8d83ad6
PDF
Publication page3feebc72b8618110cd21e286c7226a749f5ba0c3e888ba374c2c8ceecc0baba4
Manifest1e7faa06673276907cfb65636bf32a4c24da694eea14bf37ca686ae1c5c699e7

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
SignatureC8wFT/wfO0y+xsiwCWb+dFwAd3nTEcplcXabQPdqHrUgvJqsGK/Svwo9uyiEyfKUNBu7cqwhe+rT40mzBweqAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:09.398544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027633
observed 3feebc72b8618110cd21e286c7226a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.378071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027633/manifest.json
observed 1e7faa06673276907cfb65636bf32a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.357356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027633/publication.md
observed 7bd0bc6b795c99e2dba6ab71a61c42ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.340973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027633/publication.txt
observed feac1600b62614dd28ac74b7acf82551...
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.