OpenTechnical

OT-2026-000053422

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000053422) never changes.

Identity and time

Publication numberOT-2026-000053422 · never reused
Internal UUID01a0ae85-0a8f-7ddf-97be-dc7410af542f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053422
StatusPUBLIC

Content hashes

Canonical text2ecba261ecac530aa334347b7c71aec8db5022163c94b5f17d2e328e567bcfca
Markdownfdab346737ee2332f41567d27650e650dd7e1f4d7f853f6cc22d929b22e99713
PDF
Publication pagef89da389ae9e004db38afe7a72b70cde9b59b555f81a94da083ec20d22b9e5e5
Manifestf57f068841a917cf497dc13bdb9dbc1d1ddd5e7cfcffed26836f534e55423cd0

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
Signature69MMl6c41pCM+d6uyh+I1LwZPonPIc1P8IBe2Y2tjbnqIS6QpLtZn2uGXLVT8Bm9nItg81Vy6QED0pFAtrkoCA==
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

2026-09-17T10:55:09.364597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053422
observed f89da389ae9e004db38afe7a72b70cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:09.343549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053422/manifest.json
observed f57f068841a917cf497dc13bdb9dbc1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:09.323807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053422/publication.md
observed fdab346737ee2332f41567d27650e650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:09.302975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053422/publication.txt
observed 2ecba261ecac530aa334347b7c71aec8...
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.