OpenTechnical

OT-2026-000042369

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000042369) never changes.

Identity and time

Publication numberOT-2026-000042369 · never reused
Internal UUID01a0ae7a-5d74-742b-b9ee-68949451b8fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042369
StatusPUBLIC

Content hashes

Canonical textfb01f4623887593f58029473a7f2470a560aa49f1919800fc10a09762d5f76c7
Markdown360893793013ca6685c6a8af2bea24f556638271b14487b5a7d0382e07822247
PDF
Publication page563a8b08dc622b236efaa3d4c99b60c987431cd67d3a35e0513e56cd445b54cd
Manifest590a100ec3d022922b68768886660ea3b9f3389e957994a2f98ba65cfffe5c04

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
SignaturehDViJkw1+UTvXwzPSnSsmAjKhC+rUTBjUOOZdKNPTsCXNilIvTSvIOnRiQfrFpdzeflzqrmX8FuL/7uYrZUnCw==
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

2026-09-17T11:16:09.446110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042369
observed 563a8b08dc622b236efaa3d4c99b60c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.427481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042369/manifest.json
observed 590a100ec3d022922b68768886660ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.408593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042369/publication.md
observed 360893793013ca6685c6a8af2bea24f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.389865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042369/publication.txt
observed fb01f4623887593f58029473a7f2470a...
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.