OpenTechnical

OT-2026-000008600

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000008600) never changes.

Identity and time

Publication numberOT-2026-000008600 · never reused
Internal UUID01a0ae6a-e46b-755e-abd5-cb133e471f06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008600
StatusPUBLIC

Content hashes

Canonical text0ebc791f2e07cbaeafdfec5fcf2ae259f1984ba20958a0813c414a462df9a79c
Markdownf5201b0c95fee7e9fa23fb713ca1f5eda55d9e0903878e7f1dc3b8b4d07d40de
PDF
Publication page222e11a2a88bfca43baccbe9e3e93e21a918440cd0c6fa3cd7d495edcb0435cb
Manifest9a557d78bf1234575cc39301aa1c7e0f6cb27f4b4f7152da3077f24b069e24b8

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
SignatureOXAKHxRP1Isa1Gk49d3RCip5d5NxUHx5kbU0b74EgpjxDX9/zkzgbmLgytrJi75FKnkSFps0y7PP5LXmkwfNDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:33.286293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008600
observed 222e11a2a88bfca43baccbe9e3e93e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.263920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008600/manifest.json
observed 9a557d78bf1234575cc39301aa1c7e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.245639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008600/publication.md
observed f5201b0c95fee7e9fa23fb713ca1f5ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.225339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008600/publication.txt
observed 0ebc791f2e07cbaeafdfec5fcf2ae259...
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.