OpenTechnical

OT-2026-000053727

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000053727) never changes.

Identity and time

Publication numberOT-2026-000053727 · never reused
Internal UUID01a0ae85-735c-7d4d-ac85-3fc53b6b3866 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053727
StatusPUBLIC

Content hashes

Canonical text11cc64b8e21a326256621705eea1fff53af44bd78cc7459448c04862c6aa9cf4
Markdowna12056c417c27614e071cd1226fb05a86ba188e43caec568f3cc10ed65554a86
PDF
Publication page11c4863cd99949177b36b5275ad5574279c320c6fb2eb0aeb33d5ccbba68588b
Manifestcdcd49c36a86c9d9334065a1ccd1c308affbac60572b910c86f91ebaba07f1a1

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
SignatureQuAHjpvQV0kdULDU3KnsmZncl6k4XCB2IG+ZEGLW4fBfBJRJJrLdfFkEoI9qP+u+pRiD6k8oZEbW6ejp30kfBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:18.082651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053727
observed 11c4863cd99949177b36b5275ad55742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:18.058994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053727/manifest.json
observed cdcd49c36a86c9d9334065a1ccd1c308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:18.039590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053727/publication.md
observed a12056c417c27614e071cd1226fb05a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:18.016418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053727/publication.txt
observed 11cc64b8e21a326256621705eea1fff5...
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.