OpenTechnical

OT-2026-000097720

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097720) never changes.

Identity and time

Publication numberOT-2026-000097720 · never reused
Internal UUID01a0aea1-92f5-7f64-9048-e0e410325927 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097720
StatusPUBLIC

Content hashes

Canonical texted88d1c9170b9ff3c133145db8e9c79cc21a86c73f5d4a744c1a1861d7120521
Markdown8167cc139b238f4241ae551cec3cc8e7d65673b3de08197a04e892c427983dfe
PDF
Publication page5093fbd0ae0626e151af38a1d1c7919a6d8d6bd2c3b96e49f8dae6f77d8c62ac
Manifestcab76917e5f9487671f75b0bc6065d0ad2a3410ad8fb4a6f5d2f871fafe8fc2e

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
SignatureQIU9oXBkmzz2Z227N9zxoBySBmqXrqIvZRLjDMSEgEMuPPdA0KXzpB8aP50C5ktAHzvp0diy0c9VAmtwXGfDAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:45.048423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097720
observed 5093fbd0ae0626e151af38a1d1c7919a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.031518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097720/manifest.json
observed cab76917e5f9487671f75b0bc6065d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:45.014982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097720/publication.md
observed 8167cc139b238f4241ae551cec3cc8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.996028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097720/publication.txt
observed ed88d1c9170b9ff3c133145db8e9c79c...
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.