OpenTechnical

OT-2026-000015574

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000015574) never changes.

Identity and time

Publication numberOT-2026-000015574 · never reused
Internal UUID01a0ae6d-ef4b-74aa-b476-17704c7b6635 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015574
StatusPUBLIC

Content hashes

Canonical text188cb3625355b472001738608be507b3ed49dce20dcb167e1d1ed5e9b71ba5de
Markdowneb499a2c6eab3340ec3bca6c6a7ff4be0b9a63921017d15b5b84df867a5a3e0b
PDF
Publication page2428f8faa43461b8396ba68a6da49e15e7dfdadafa501e1fabb01ab68f11c797
Manifest7faea97281dc1f1c0ad6f811a799a9569d9c0befbc4ccfac3731f6593aaad39b

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
SignatureEoPnWzIqLJZSSR1/LD8PnM9OKxoqBA+idlICWCb1KEZ8O3ZtNiuZj+tAKgfsIet2R9Tva4wPevufxNUuj/JVDQ==
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

2026-09-17T12:06:22.051890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015574
observed 2428f8faa43461b8396ba68a6da49e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.032164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015574/manifest.json
observed 7faea97281dc1f1c0ad6f811a799a956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.012899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015574/publication.md
observed eb499a2c6eab3340ec3bca6c6a7ff4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:21.991933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015574/publication.txt
observed 188cb3625355b472001738608be507b3...
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.