OpenTechnical

OT-2026-000025835

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000025835) never changes.

Identity and time

Publication numberOT-2026-000025835 · never reused
Internal UUID01a0ae71-a83e-7ad0-8c07-25cc0313117d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025835
StatusPUBLIC

Content hashes

Canonical text422b539c80a2c5f97e0652038084c6ab754287adb4c38729bd3505076f8a73de
Markdown39424b8d9277755c0d9834f7756e3b46fbabbe0df88440323ad1f292cd610628
PDF
Publication page2366f9f4eecb9e6d1201a504112941422d5032c6e6e88bc7343c83cffb071533
Manifest960facf7b2312e3c9ece3b6abd19b5ec979037a0b2dd3e35f1ec4b0d2dfa9b9a

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
SignatureRCTJgOptY8gqCtv95kTixSQ9UWFcPWzlCjm/O1tEOPMlcNRFGFJZYavPS2mV5Q+kdVzHQIpElW09WwN7e/r6CA==
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

2026-09-17T11:46:03.672709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025835
observed 2366f9f4eecb9e6d1201a50411294142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.656299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025835/manifest.json
observed 960facf7b2312e3c9ece3b6abd19b5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.640186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025835/publication.md
observed 39424b8d9277755c0d9834f7756e3b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.623483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025835/publication.txt
observed 422b539c80a2c5f97e0652038084c6ab...
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.