OpenTechnical

OT-2026-000074247

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000074247) never changes.

Identity and time

Publication numberOT-2026-000074247 · never reused
Internal UUID01a0ae93-7178-7c91-ae10-30e788d47bc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074247
StatusPUBLIC

Content hashes

Canonical text988d4b4d20c98b2f777f0fb425c97237a6c135cd83aed3bf83635cac4ec00a69
Markdown9a25d83bc227a29e3a69340237270b0e6e3c78587591fd31b127c5ad468a32a9
PDF
Publication pagebbe03145da2d4cca69e65b9a028a1401edb5ce8085a5bb0bcd409ea760baeec4
Manifest72d6cd635f723a0f180567fa02cbd93b0afd83058c30c7f95deadc0e99af07be

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
SignatureR+AKW9saTror3RcgJMs1akPqvdojHQrTr88URsFjASBPVNk7s3CDrnS0NddUgPzx1JT0Rd3omOjmlSdKIo77AA==
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

2026-09-17T10:19:08.660113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074247
observed bbe03145da2d4cca69e65b9a028a1401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.640032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074247/manifest.json
observed 72d6cd635f723a0f180567fa02cbd93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.621288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074247/publication.md
observed 9a25d83bc227a29e3a69340237270b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.602098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074247/publication.txt
observed 988d4b4d20c98b2f777f0fb425c97237...
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.