OpenTechnical

OT-2026-000061222

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented after 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-2026-000061222) never changes.

Identity and time

Publication numberOT-2026-000061222 · never reused
Internal UUID01a0ae8b-1381-7910-b72e-3a8585a3417b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061222
StatusPUBLIC

Content hashes

Canonical text66cd1bbd1e979f60f565449c7e8004177b630478bcdebee9a9b80a83590c0b13
Markdowncf88dadc19591cb3dda971d0d96207efc7ed145ab74900e9dab8d23c3a9527b7
PDF
Publication page08614c8e16a84c94a03b691f259273c2569706db43fa6bc6b8c9925c88ea41ae
Manifest0131a529d1962bea2246370d7824dc0e776f81e74904be1f01d503ee6c07038c

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
Signaturec0MX023pGqi6xKwc0yaK4tA+ANwD1/wB8LDwaOwbT1RgWLPdl3E//lSvikRPE/beOOa2d3BWDmvNt8fU7UgJBQ==
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

2026-09-17T10:42:37.672602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061222
observed 08614c8e16a84c94a03b691f259273c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.652852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061222/manifest.json
observed 0131a529d1962bea2246370d7824dc0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.632588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061222/publication.md
observed cf88dadc19591cb3dda971d0d96207ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.609682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061222/publication.txt
observed 66cd1bbd1e979f60f565449c7e800417...
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.