OpenTechnical

OT-2026-000006435

Publication integrity record

Bellows cup vacuum gripper, three zone face, ejector fed, contact triggered on the face

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-2026-000006435) never changes.

Identity and time

Publication numberOT-2026-000006435 · never reused
Internal UUID01a0a95b-246a-74b4-b284-13011983ebc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:35:17.741939Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006435
StatusPUBLIC

Content hashes

Canonical text508f08ce14b79de5e5f418e149c51eda99dd63ed7b6ba3064a042bae505523c3
Markdowne584c659468d1399f11657c4f5175234caacf2ba9aaae5af14af87d510cfdce8
PDF
Publication page938ed5a10a106f205580b1cd81b4d8f05d23742166dfae22bcabd88dfcfb9cae
Manifest70d86ef8b3c6d6734967cc96b2327a9199573c3bc96151621f0f1f0444fa40bb

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
Signature7pFsszP2o3Vrv+KqnqeC/Zkzc8wP1HagukZSSw8r0EOFp32KBny1GcK84mTe3VlXBWn3K7nfbIYdVexm7Qf6DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:17.941289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006435
observed 938ed5a10a106f205580b1cd81b4d8f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:17.927708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006435/manifest.json
observed 70d86ef8b3c6d6734967cc96b2327a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:17.913340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006435/publication.md
observed e584c659468d1399f11657c4f5175234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:17.899880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006435/publication.txt
observed 508f08ce14b79de5e5f418e149c51eda...
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.