OpenTechnical

OT-2026-000072357

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000072357) never changes.

Identity and time

Publication numberOT-2026-000072357 · never reused
Internal UUID01a0ae92-47c3-7e02-8260-21d5d25ef55c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072357
StatusPUBLIC

Content hashes

Canonical text12f7e8f3d094a2828718955f1d66009f4e286b98aa884204d8249091a84f7b2a
Markdown36c24cd880108cebe16c93df13128510953f1392cbc8cab3c435dae9c05ad662
PDF
Publication page8004c8b4d882d71621557f29f6094b009d95a134caf44a6ffda6759efe6af359
Manifestc5887bb6816c5d5db3d62c76dce93bab96e3afc0454b55f559013e8505586eeb

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
SignaturemnTUPRYQexw9zNjzOpgurvjq2nUptBZEbS72kIX8Ak2lIhipL/dzHwfNK1lXXpjXOgcYI0wdrmjLaRfzrtuoBw==
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

2026-09-17T10:23:35.495229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072357
observed 8004c8b4d882d71621557f29f6094b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.477786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072357/manifest.json
observed c5887bb6816c5d5db3d62c76dce93bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.459369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072357/publication.md
observed 36c24cd880108cebe16c93df13128510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.442011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072357/publication.txt
observed 12f7e8f3d094a2828718955f1d66009f...
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.