OpenTechnical

OT-2026-000102936

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000102936) never changes.

Identity and time

Publication numberOT-2026-000102936 · never reused
Internal UUID01a0aea4-be3c-7b0d-9729-e856fbd613d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102936
StatusPUBLIC

Content hashes

Canonical text6c90bdcf42b7d948930c4ec67ad810d2fe480dfb5b0ba8511be46626fc0c29d9
Markdown9000f63c21062e6d9bb5e836906a5056c966b70f3bf5857caa96c155bb198c0d
PDF
Publication pagea4cf6321bb1557d914b583d4f7b1a62e6ad219e25a4bcfba177e479f637aa05f
Manifest9817b85179c70c0c5b09fcd160791c7533dbeb56f23ccf28656deeedeb495ccf

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
SignatureHbk4x1C0/L4Tq+sr1aOuRR/Zt3Gw6wL+LJAoGClVssVb3AY4Cy6b14FTXahOYB6G6BM2HDXXUWuUByOawz1iDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:02.255688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102936
observed a4cf6321bb1557d914b583d4f7b1a62e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.239017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102936/manifest.json
observed 9817b85179c70c0c5b09fcd160791c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.219634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102936/publication.md
observed 9000f63c21062e6d9bb5e836906a5056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.200162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102936/publication.txt
observed 6c90bdcf42b7d948930c4ec67ad810d2...
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.