OpenTechnical

OT-2026-000026656

Publication integrity record

Single bellows cup vacuum gripper, pump 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-2026-000026656) never changes.

Identity and time

Publication numberOT-2026-000026656 · never reused
Internal UUID01a0ae71-f4aa-7fc1-95e0-ac688b044525 · 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-2026-000026656
StatusPUBLIC

Content hashes

Canonical text04e6b5a99619b34222b7d2c9b3c517c20e92905f9be531e48825dd1412f62fa5
Markdowna0d3879665d02dcf47a6ded27dd0323b0f21aa1d7ec51eb27c84f1730a3f4e55
PDF
Publication page8fcfd5d697dac6e402d797d4c4be9388780dbdde1074314d21af7eb1cd213752
Manifest90cd0756781fa29b1cc42d36d812340058e70c96b71fc9c52a99e4117e5e503d

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
Signaturehqw/DmBKAXujM6rCh58HFcR1ixYodcuOG+B7OcMDOuafzKK2nAS4S7HiDHHMISFZ1xRp/HF9RqA9tREBc4WOAA==
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

2026-09-17T11:45:44.259283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026656
observed 8fcfd5d697dac6e402d797d4c4be9388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.233882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026656/manifest.json
observed 90cd0756781fa29b1cc42d36d8123400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.215132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026656/publication.md
observed a0d3879665d02dcf47a6ded27dd0323b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.193836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026656/publication.txt
observed 04e6b5a99619b34222b7d2c9b3c517c2...
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.