OpenTechnical

OT-2026-000060330

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000060330) never changes.

Identity and time

Publication numberOT-2026-000060330 · never reused
Internal UUID01a0ae8a-5a75-764c-9857-7c71e7deb558 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060330
StatusPUBLIC

Content hashes

Canonical textba72f5acfa92f269cb596e90a21d58e6aa6d4b2598e8234f60c8ebe0f79374fb
Markdown76a563c2128e57f1e2db62d83b6e01c7bcf62ff8cf3657c6f5ae418d6c36446e
PDF
Publication pagec98c141acc2f46097b3c8d379f12b6246945d57ecfd9658cc43333c1de4bebb5
Manifest56f7804a8a8250b7360c1fb2bb1f5de6e77ca80452a5b183be95d6e2296ee907

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
Signaturehj6F68Eq0oetPbu0yhXrzB+8/vSko4JNF1twZenogB1+Km7lU5ARSmhxBnTqfislCbTkBbM4/Bm9ivUXf5cuCw==
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

2026-09-17T10:44:03.059237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060330
observed c98c141acc2f46097b3c8d379f12b624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:03.020586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060330/manifest.json
observed 56f7804a8a8250b7360c1fb2bb1f5de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.979856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060330/publication.md
observed 76a563c2128e57f1e2db62d83b6e01c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.942790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060330/publication.txt
observed ba72f5acfa92f269cb596e90a21d58e6...
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.