OpenTechnical

OT-2026-000038222

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000038222) never changes.

Identity and time

Publication numberOT-2026-000038222 · never reused
Internal UUID01a0ae78-2d51-70cf-a4ff-161397aa6d8f · 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-2026-000038222
StatusPUBLIC

Content hashes

Canonical text4350e5ca52fd687e84863f06154279f39c77e4b760bfcb1b7984815478b83c7c
Markdowne02c9ea81e77cbb5bbdc6a63f14e3843371faf96a8ce9c3c2be9c4ca2cb2fe7c
PDF
Publication pageaf26167f6f87e8e4e599ef40b0fb7df194cf827e4e9189a3f71a6b51f97fab48
Manifestaea1fc5ef9ab5be9fde8f7e4081278590996169bb0ec5beaed7b367256b56e60

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
SignatureR6gNLxyCeZg0xVMZ+TqmIqAVMB6r0usgEvVJlKg/ufRD5oquiwECl3WWVGrwNlNtQoRIsVgcCgRYC8O0gls1Aw==
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

2026-09-17T11:22:21.959216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038222
observed af26167f6f87e8e4e599ef40b0fb7df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:21.941164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038222/manifest.json
observed aea1fc5ef9ab5be9fde8f7e408127859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:21.921549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038222/publication.md
observed e02c9ea81e77cbb5bbdc6a63f14e3843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:21.903608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038222/publication.txt
observed 4350e5ca52fd687e84863f06154279f3...
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.