OpenTechnical

OT-2026-000015594

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000015594) never changes.

Identity and time

Publication numberOT-2026-000015594 · never reused
Internal UUID01a0ae6d-ef4c-7e90-b90f-023188f07ddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015594
StatusPUBLIC

Content hashes

Canonical text6749d0aadf3ba538ef2de8d2470a3173ab9b0e9a4c17c410bb506df3016960e0
Markdown4b55b894ed389e025dc9210c7e28f55c0250923df32cf954cd904f692c0c3060
PDF
Publication page215cd4fbe1480729c9dc3f16525d977505fd2cab247a3734b54161a8e4953701
Manifestf9a664bd3164f3ffece9d56f31a408514c98299b7e9e23dd497555008f5bde6e

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
Signature5vvZgqKvuJvUPfqxR5tVL+2WD3SBMO0Co1UBEQkUa7LLWs48olaf2QRZ9K3iRWt7eF9RUEjFhwZjkzxX9ql6Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:23.667088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015594
observed 215cd4fbe1480729c9dc3f16525d9775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.647552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015594/manifest.json
observed f9a664bd3164f3ffece9d56f31a40851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.627665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015594/publication.md
observed 4b55b894ed389e025dc9210c7e28f55c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.607568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015594/publication.txt
observed 6749d0aadf3ba538ef2de8d2470a3173...
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.