OpenTechnical

OT-2026-000103799

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000103799) never changes.

Identity and time

Publication numberOT-2026-000103799 · never reused
Internal UUID01a0aea4-e463-7895-a1e8-8ec2e9f7552f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103799
StatusPUBLIC

Content hashes

Canonical text112cb5cdec23d5f0183104a3dc12e481fc3d4e2a639836f5cc7c8347062d0871
Markdown20caebdc709d7c0550198e1d9ec641b5fe584046ed4bbc65950f0c383d0fd105
PDF
Publication page9cf1d86d164c7fb99ec1be712b40adb6618d3dcc3313ca0ee07ebde6893e5465
Manifest13375f04441b7a91a13de19a240e4b7597a2624ab81918f4c5d5b08d8921db48

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
SignaturevxhurBse8zBmzGjJIxpknPynxGsFhHs9bRIgs79Zt4ps1oiiujY+R8p5YUw6OnKdR10047j/eM0iYGdx8HEiCA==
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

2026-09-17T09:22:45.229515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103799
observed 9cf1d86d164c7fb99ec1be712b40adb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.214247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103799/manifest.json
observed 13375f04441b7a91a13de19a240e4b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.197948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103799/publication.md
observed 20caebdc709d7c0550198e1d9ec641b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.182513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103799/publication.txt
observed 112cb5cdec23d5f0183104a3dc12e481...
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.