OpenTechnical

OT-2026-000035545

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000035545) never changes.

Identity and time

Publication numberOT-2026-000035545 · never reused
Internal UUID01a0ae76-b4c5-7e4b-bfad-a6c3903942a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035545
StatusPUBLIC

Content hashes

Canonical text6a73450eac1be37941d345bf6e230bf75df1e8fe0078aeeac21c0234296b717b
Markdown3549569cc371116649d643f81c6b00b14eacfde5655d890ac9ae8cee44af6e10
PDF
Publication pageb0d02ecd25e2aeb6252e4941bcae81300a94755b402cceb2f8d25543de275727
Manifest26e27827f25fe1770e6f8d2ccb6d8db8f7c770f10f330dc67f2ee8b84d89fcf0

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
SignatureM4ybc4PItwGoyfvlu7j6Eq4HasIkYrCiXfiuiHTGXqkmk2OpbsSxMq48dJbwoboeNLFu6A+Cl1Ero3OrTZBzAA==
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

2026-09-17T11:26:58.443224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035545
observed b0d02ecd25e2aeb6252e4941bcae8130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:58.424876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035545/manifest.json
observed 26e27827f25fe1770e6f8d2ccb6d8db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:58.407798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035545/publication.md
observed 3549569cc371116649d643f81c6b00b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:58.389221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035545/publication.txt
observed 6a73450eac1be37941d345bf6e230bf7...
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.