OpenTechnical

OT-2026-000101499

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101499) never changes.

Identity and time

Publication numberOT-2026-000101499 · never reused
Internal UUID01a0aea4-0e14-7858-9a5f-3c8de96be644 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101499
StatusPUBLIC

Content hashes

Canonical text2c8211e399f9a2aa1ddacba90a7b3ab48c3f0650f4a6044ef948c6d22b8d7fba
Markdown9d5bc09ffa7b33d1787bf2d1fc24c148af1437fbee43b3b6b37cc42b781ae026
PDF
Publication page9db5bf2e8bd539f3dd1d16b570a6be279d222cb3654b77590bb3897b922da058
Manifest3307ea1f824585523733aa5f3b8eabaeaf4bd2796a26b31ec07d7c5787689500

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+w3bSpSGp/OCauhS2GKNEDpKbs2oBiiavfHMepocAHhWJERL0XHd0q4DQ4QdVceWsoawcMkp6rKO/pNoU8P0Bg==
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

2026-09-17T09:26:05.655309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101499
observed 9db5bf2e8bd539f3dd1d16b570a6be27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:05.635011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101499/manifest.json
observed 3307ea1f824585523733aa5f3b8eabae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:05.617677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101499/publication.md
observed 9d5bc09ffa7b33d1787bf2d1fc24c148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:05.597355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101499/publication.txt
observed 2c8211e399f9a2aa1ddacba90a7b3ab4...
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.