OpenTechnical

OT-2026-000074039

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000074039) never changes.

Identity and time

Publication numberOT-2026-000074039 · never reused
Internal UUID01a0ae93-2b8f-7a4a-9c25-524b1f9b1382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074039
StatusPUBLIC

Content hashes

Canonical text776d419f69672aca25949a8eb3bdb0247542283a194ce63c18963b53f97f360f
Markdown3da933df6c489fc2772bd7fbb8e2e98bebf7aa496d031712fbc9e0dccc322b96
PDF
Publication page38b23e9ead080c23ec8e942e56037873c05b6bfceb06cccf7af6e51526f9c7cd
Manifest704a05c971e8776a256ade9789b5f8d3b8adcbf123ac2bcc8648e3a6f9db6b7d

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
Signature+mNEoIMEMGmBi/jRI0Vk2rBbp0u+lAPCtnymjYwNVgwB2GF0CSZ+yTXTDuka+qigA4NJZjTrMccugd6fgAK2BA==
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

2026-09-17T10:20:21.580686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074039
observed 38b23e9ead080c23ec8e942e56037873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.561841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074039/manifest.json
observed 704a05c971e8776a256ade9789b5f8d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.542475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074039/publication.md
observed 3da933df6c489fc2772bd7fbb8e2e98b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.522549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074039/publication.txt
observed 776d419f69672aca25949a8eb3bdb024...
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.