OpenTechnical

OT-2026-000010736

Publication integrity record

Foam pad vacuum gripper, pump fed, vented 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-2026-000010736) never changes.

Identity and time

Publication numberOT-2026-000010736 · never reused
Internal UUID01a0ae6c-0ee8-71ff-a3ee-e205a7830107 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010736
StatusPUBLIC

Content hashes

Canonical text432d18aa2a0c57c61f322efc825ac5ec1c59301f3ab2b3ac2928d4003779763f
Markdown0f82f1deb114a2f0dbf9854c9670c684eadae436525174743aaf31d01e54f758
PDF
Publication page037da8f2d8d3f361eaee5b88f805e852baa441a3346765d01166e9ece0227b37
Manifest6c3397f79dc256caf9e8552cd76faa29e755af657c9db6b15acae05110d02216

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
Signature1rerAmnmJIIKm7UybLsYvMIv0sfNajcnTlWX80y8QkesSiwzFvXJqJfuFRA8yKN2X3OMy6XF7AJrwta6MGFYDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T16:43:15.271310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010736
observed 037da8f2d8d3f361eaee5b88f805e852...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:15.115032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010736/manifest.json
observed 6c3397f79dc256caf9e8552cd76faa29...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:14.871886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010736/publication.md
observed 0f82f1deb114a2f0dbf9854c9670c684...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:14.531622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010736/publication.txt
observed 432d18aa2a0c57c61f322efc825ac5ec...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.867777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010736
observed 037da8f2d8d3f361eaee5b88f805e852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.848336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010736/manifest.json
observed 6c3397f79dc256caf9e8552cd76faa29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.830233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010736/publication.md
observed 0f82f1deb114a2f0dbf9854c9670c684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.811222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010736/publication.txt
observed 432d18aa2a0c57c61f322efc825ac5ec...
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.