OpenTechnical

OT-2026-000038750

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038750) never changes.

Identity and time

Publication numberOT-2026-000038750 · never reused
Internal UUID01a0ae78-769e-725e-a7b5-22108e5cee50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038750
StatusPUBLIC

Content hashes

Canonical text906f56cae95989c7a70dc5f4f44b78c8faee21d2f166f9ba02055d7ca2f4a831
Markdown6c10e13ac3e02e43ba37aff7f34d67962da056196ab877c759947909ab368719
PDF
Publication page99fb8611702295cec9e30f58135f150aab1eb7775a4e26aa6c461f044673a949
Manifestc6edfdfd0f7370bfd77ec184ae655344ba90392e272ef274270e1d7a0ea93a39

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
SignatureidUeXWWI1OHyxG7kOXekRP94Sq4Q7Q2yHPrBoB6WsuoF4Xlb67hdBbQSPdkc54IiJOtxcIPVjCskMbOAAqhhDw==
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

2026-09-17T11:21:17.150442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038750
observed 99fb8611702295cec9e30f58135f150a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.132139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038750/manifest.json
observed c6edfdfd0f7370bfd77ec184ae655344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.112183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038750/publication.md
observed 6c10e13ac3e02e43ba37aff7f34d6796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.093440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038750/publication.txt
observed 906f56cae95989c7a70dc5f4f44b78c8...
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.