OpenTechnical

OT-2026-000012365

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000012365) never changes.

Identity and time

Publication numberOT-2026-000012365 · never reused
Internal UUID01a0ae6d-39f6-74ce-9797-88265202f14c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012365
StatusPUBLIC

Content hashes

Canonical text74f09a11efe3def3ac459537c1b0ef33d168a98acbe28872f9d28f79ddd49a1c
Markdownf5695713b614ba4f142019c67ffcc2c0ee5e760d514c731126feea4bcb07bec6
PDF
Publication page45e7b054fe16d8a4c2050e200063e7f105983f3a47290699493c0a673dcc30a5
Manifest0907cedc03a62f7b692c8f1a990f68de94606456966e89309d80070ab2d2311f

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
Signature/JkeBa2k9wo85UBHBwk7mFVWmtMjs7OONGkZlzdVETLAlCllR2s4vLyUmHcyp0mhmY6GTtNYCvDVGNTkt+kUCA==
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

2026-09-17T12:11:51.031244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012365
observed 45e7b054fe16d8a4c2050e200063e7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.012242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012365/manifest.json
observed 0907cedc03a62f7b692c8f1a990f68de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.992421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012365/publication.md
observed f5695713b614ba4f142019c67ffcc2c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.974066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012365/publication.txt
observed 74f09a11efe3def3ac459537c1b0ef33...
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.