OpenTechnical

OT-2026-000026612

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000026612) never changes.

Identity and time

Publication numberOT-2026-000026612 · never reused
Internal UUID01a0ae71-f4a9-73e6-95d0-f8d27ad94be4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026612
StatusPUBLIC

Content hashes

Canonical textde310d5de4df509745e79ba5e4a8eabbef68a2f5526ccb92cf5409294719cdd3
Markdowneef6cdca57b13b955144850f7f0709b998711c56bd868a1a611aac5cfce00567
PDF
Publication page3d3d5d70c7657638422d8e05de846b65659ffe28bd7f9843de32b495f0db211d
Manifest391680dcd3eeea34ff41ed54bd90ccfa4d752fcfcb5948302bf0d92607fc3d6d

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
SignaturePX2/AgAgy/LzxOV8i1kZhliXUuvdSLTUMkM0k2B4B9A3omNj1EuSY+FfzMQx1gtFJxtz/0N5vQmH1WDQOxljDQ==
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

2026-09-17T11:44:10.745132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026612
observed 3d3d5d70c7657638422d8e05de846b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.727828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026612/manifest.json
observed 391680dcd3eeea34ff41ed54bd90ccfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.698516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026612/publication.md
observed eef6cdca57b13b955144850f7f0709b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.673145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026612/publication.txt
observed de310d5de4df509745e79ba5e4a8eabb...
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.