OpenTechnical

OT-2026-000067340

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000067340) never changes.

Identity and time

Publication numberOT-2026-000067340 · never reused
Internal UUID01a0ae8f-6bd7-7980-b4d6-7a5e1ba8fb94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067340
StatusPUBLIC

Content hashes

Canonical texte451d8f1a5ffa2fb5f842d8351aea360f0651c551ee3a87e21a7a67478811145
Markdown2e3e92059e2c198264fe5da7aa5ea5422f59f7364b053a5d317d637cf779ea06
PDF
Publication page749a7a39d0b3f932ef19770a0da9972d240dd1912609e129731d51fbeed01688
Manifest4f13488d584123296391d30e4905cb833907414e5614504a1e52a19fbaa439f3

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
Signaturegc4jnEtc8oBu8U5U0Rmb7O6mCtK4H1bdOqgUnh7rIaC4ndeMmAMUGALLqJ6kQB7gc5oCDgpLvgtTfZJJQJV/Aw==
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

2026-09-17T10:31:31.341529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067340
observed 749a7a39d0b3f932ef19770a0da9972d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.322249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067340/manifest.json
observed 4f13488d584123296391d30e4905cb83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.303410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067340/publication.md
observed 2e3e92059e2c198264fe5da7aa5ea542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.285180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067340/publication.txt
observed e451d8f1a5ffa2fb5f842d8351aea360...
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.