OpenTechnical

OT-2026-000007361

Publication integrity record

Bellows cup vacuum gripper, three zone face, pump fed, pressure verified, vented 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-2026-000007361) never changes.

Identity and time

Publication numberOT-2026-000007361 · never reused
Internal UUID01a0a97c-1212-7da0-bec2-67f61ce9f321 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:15.732709Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007361
StatusPUBLIC

Content hashes

Canonical text375d28f2a291429e815603fbcc37e3c5855aa6a053b2a0a3d577d68b6c5267ec
Markdownb7a9ae1a2d4f76dfe2b6e8834710e64b79ac9a50467b5c07b261b0c4770303e9
PDF
Publication pageeb40c4c0064f0a3336ee568c95ecbb8909c626c37f432487e14cde0332f3b960
Manifest62e55f252d4dca715b3bb17ef3d54bc28a7677e3644e8546350f1c7177aa1b5a

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
SignaturevamV0UP4rzGpPLeA7nUjJb1/sRNBeUtiXb5tqXTRnLW4q7q7r+si+WGNjzwydSEA1PwQIFRern6ssRyeFtWhBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:09.672242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007361
observed eb40c4c0064f0a3336ee568c95ecbb89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.658864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007361/manifest.json
observed 62e55f252d4dca715b3bb17ef3d54bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.645845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007361/publication.md
observed b7a9ae1a2d4f76dfe2b6e8834710e64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.623859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007361/publication.txt
observed 375d28f2a291429e815603fbcc37e3c5...
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.