OpenTechnical

OT-2026-000053928

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000053928) never changes.

Identity and time

Publication numberOT-2026-000053928 · never reused
Internal UUID01a0ae85-b3a6-7661-bfc0-fe083f28c46f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053928
StatusPUBLIC

Content hashes

Canonical textd2ba33e2bd01034b3fd2b71fd251b691ad8d6982811f5fd0a6b7f4c761ab7dfd
Markdown17d96190bc7d8526997b6d87a59bb52d096d63eae20d32cf4584773b5c8e667c
PDF
Publication page493c41fdd3ab1fdcf1a8d092ae3d83be71c6345becf4b530c30be33f5b3ea721
Manifest8f3ea763cd3d56a3e33d065121fd1da1463ef85209335b1349dd973f7bfb20b4

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
SignatureYfQbWDlu8WKfFMjLQdMguC894VTlDOTTl+SOKYm/hmflouSbBoBw3TaCRHY9Tx+Esdv8av0OjUd5FQDDA5ffAA==
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

2026-09-17T10:54:10.239564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053928
observed 493c41fdd3ab1fdcf1a8d092ae3d83be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.221625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053928/manifest.json
observed 8f3ea763cd3d56a3e33d065121fd1da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.202832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053928/publication.md
observed 17d96190bc7d8526997b6d87a59bb52d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.184342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053928/publication.txt
observed d2ba33e2bd01034b3fd2b71fd251b691...
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.