OpenTechnical

OT-2026-000061619

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000061619) never changes.

Identity and time

Publication numberOT-2026-000061619 · never reused
Internal UUID01a0ae8b-7b45-70d5-9bc2-1b56df223b9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061619
StatusPUBLIC

Content hashes

Canonical texta24701b0f627f71a47bc848d9290c052c082a3724007184f7103be0308995b52
Markdown6b4f9095a1ddd4280cf6ff485b7978b707146012ffbdad5dcf12700b4082162b
PDF
Publication pagebb7433330d998ea2d20cd22e264c6d44c004e980e093395ba153f12600de03dd
Manifestfd2ac318231378dd702d12ad63467bf3f040972040e2759d3b2751800a2ab628

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
SignatureKe4vhxv06jAIj6/BGjDP5SZzaTk6oFjgKRRbgWW66Whp+wzHRQ7LB54ju/y9fdA3AXtuZfI4snxhOmPaUQFGDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:33.103643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061619
observed bb7433330d998ea2d20cd22e264c6d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.083962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061619/manifest.json
observed fd2ac318231378dd702d12ad63467bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.065185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061619/publication.md
observed 6b4f9095a1ddd4280cf6ff485b7978b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.046284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061619/publication.txt
observed a24701b0f627f71a47bc848d9290c052...
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.