OpenTechnical

OT-2026-000088660

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000088660) never changes.

Identity and time

Publication numberOT-2026-000088660 · never reused
Internal UUID01a0ae9b-8f0f-7992-b9d2-1016428dc4f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088660
StatusPUBLIC

Content hashes

Canonical text27dbd92b6e3ca5640ce81f7ec62429fefa2503d6794054d54cb18e49feb71c83
Markdown2fe81789243eebe736f5969077b147a725ed59d7d488b08c8939a69dd4c647a7
PDF
Publication pagebef2d9dd895ebb2ff98227114a29a17fdc1814078e1097d2d93131415fdf6ea4
Manifest75feea80716cecd40bb8b1e4bbc1dc01dc4c9744414dd25430e2ba70c198383b

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
SignaturelB0myv/fqmDYQu9A3vA2VPq44Dz50cnygIsv/1frtIlw8CnEZ2cyg8d++BGIQQj/WKwipJWrYZTP++zmb+G2Dw==
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

2026-09-17T09:47:53.209615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088660
observed bef2d9dd895ebb2ff98227114a29a17f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.191390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088660/manifest.json
observed 75feea80716cecd40bb8b1e4bbc1dc01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.172847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088660/publication.md
observed 2fe81789243eebe736f5969077b147a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.156645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088660/publication.txt
observed 27dbd92b6e3ca5640ce81f7ec62429fe...
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.