OpenTechnical

OT-2026-000081569

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, sustained 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-2026-000081569) never changes.

Identity and time

Publication numberOT-2026-000081569 · never reused
Internal UUID01a0ae97-0f71-7ad2-8c8f-d3bd0e1ffef5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081569
StatusPUBLIC

Content hashes

Canonical text02b051bcc8f154fe24a84c625a41ed372c27d47896983dafa3ee779b095d7ef2
Markdown9394579adecf8c5f3c12ad462074491525cd9618fbd177c147aef4e669aed19c
PDF
Publication page679b2a930791896a207cf007d113efb6a45c3ccfac19be28947d09ad7664ee9d
Manifestd3d3f3a224e7244f65573013ace4a0d50f851e24ce20a0d189d2476806aa3b0c

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
SignatureHv+uLdKzmDdNS54sP4B7NMokGBp/e2SaeEBT39Bj92mEV9uoncelbuMB4gDSGUnMVgY+kZY357M4T8dK9TglBA==
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

2026-09-17T09:59:35.960729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081569
observed 679b2a930791896a207cf007d113efb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.943995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081569/manifest.json
observed d3d3f3a224e7244f65573013ace4a0d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.927126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081569/publication.md
observed 9394579adecf8c5f3c12ad4620744915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.911151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081569/publication.txt
observed 02b051bcc8f154fe24a84c625a41ed37...
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.