OpenTechnical

OT-2026-000038231

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000038231) never changes.

Identity and time

Publication numberOT-2026-000038231 · never reused
Internal UUID01a0ae78-2d51-72d3-baeb-20941599a8f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038231
StatusPUBLIC

Content hashes

Canonical textc74bd3ad4f9781f4747bae69c31e4151dd2ebacd26921b3f0b7c7d6e6b570029
Markdowna1818f1b061e7dbc3d836cb65a67062bed116f2b04206c22f57fee32f25873bd
PDF
Publication pagef9b8253012f1e0717e61e089ba2e0c65b7a2738df62de918363f4604ed8357f0
Manifest7f61396f4912764f3e13b6d2574f1de96ff77d48439cca85e36ff095a4b32573

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
Signature34Bffo0fj6d8fISYpKKCzVNYWRKwn6tfDtd776eELRJNal47uFEntiKtpzmPNwGyRyBnqGbXIlFXQe8237BCBA==
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

2026-09-17T11:22:22.661662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038231
observed f9b8253012f1e0717e61e089ba2e0c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.643920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038231/manifest.json
observed 7f61396f4912764f3e13b6d2574f1de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.624697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038231/publication.md
observed a1818f1b061e7dbc3d836cb65a67062b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.606858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038231/publication.txt
observed c74bd3ad4f9781f4747bae69c31e4151...
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.