OpenTechnical

OT-2026-000087898

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000087898) never changes.

Identity and time

Publication numberOT-2026-000087898 · never reused
Internal UUID01a0ae9b-1aa5-72cf-8969-8725b77152d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087898
StatusPUBLIC

Content hashes

Canonical textd9676d576f0f7827a049a191c86b33e8a759f68a53058f9945253f92071226a1
Markdownb4ef6ee437dbd983f3c2a114eaab0a4ab5fd5fed8242f5b0d0fc4b9095ba434b
PDF
Publication pagef9819d92b7e58f5cf5bf38cd9855f633046d4336640c8ca078ae21652edf5f46
Manifest2335f5d3491070b5bea05e9ea5602dda16b074ed70c716630316828965bcff31

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
SignatureHXUeGkH317mRrE8QVzRmgskM36x8sMJufmUzYMs5JcVDqLzhkzlwFdCIqrRwMHKkHWldjqEW5r9RC5GRlSH2Dg==
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

2026-09-17T09:49:10.499985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087898
observed f9819d92b7e58f5cf5bf38cd9855f633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:10.478602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087898/manifest.json
observed 2335f5d3491070b5bea05e9ea5602dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:10.458090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087898/publication.md
observed b4ef6ee437dbd983f3c2a114eaab0a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:10.438262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087898/publication.txt
observed d9676d576f0f7827a049a191c86b33e8...
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.