OpenTechnical

OT-2026-000086648

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, sustained 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-2026-000086648) never changes.

Identity and time

Publication numberOT-2026-000086648 · never reused
Internal UUID01a0ae9a-2c98-77dc-a869-0e24ce8d3303 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086648
StatusPUBLIC

Content hashes

Canonical textd5899903e5ed8861fff3f1ada506031fcc57943cd9a286b0a65690fdb3a1b22e
Markdownc6285805ef6fb2a42de5a8bc04b48a0a8b1ed19d555e5ea418bf9d8d900cb4db
PDF
Publication page9d165adebf1c19922fd16d18618dd2893d1549f19360d58e588de35d19aaf3cd
Manifest2a29150e67f3f0b3cf1e7f271addb120604d4e62eb7944816ccb2cae715ff27a

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
SignatureRCsmkGi4L5/1Ktm9bNYUjh9C9OMGTWbmrFC5rjgLSUVuk4vvCJXXP6fEi8AxVP1Fs1iIBuAI/qWtVrfWDGlfBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:30.404348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086648
observed 9d165adebf1c19922fd16d18618dd289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:30.388690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086648/manifest.json
observed 2a29150e67f3f0b3cf1e7f271addb120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:30.371767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086648/publication.md
observed c6285805ef6fb2a42de5a8bc04b48a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:30.353380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086648/publication.txt
observed d5899903e5ed8861fff3f1ada506031f...
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.