OpenTechnical

OT-2026-000043662

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000043662) never changes.

Identity and time

Publication numberOT-2026-000043662 · never reused
Internal UUID01a0ae7b-92d0-7486-a834-3fb38143ce72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043662
StatusPUBLIC

Content hashes

Canonical textd753fb1f87801dcd969d3e1ac43e7950143dd3791d8789d1402bc76af0ebde1e
Markdown6fe6a195e0052fc3e779480cb2eec6366abd1e77303ecbbd7e3c7c253221d9d6
PDF
Publication pagea2f889fd3f981d05326267afdcc3da9f2c0c77b056d9ba091ed3bfc7c007693a
Manifest8a0a4ffa95c300f6f1db932002f1e0843d0eeb1c5a2ee0f0b3c917d64931820a

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
Signaturek6eSyKqFU1q6CDs74nhNSKglUBRC1MNMonroCsX1RTbo8RQPnmGUmbxNWZznqwGkRFb/qOUlNZAvG3N0xltpCQ==
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

2026-09-17T11:13:08.809546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043662
observed a2f889fd3f981d05326267afdcc3da9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.788346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043662/manifest.json
observed 8a0a4ffa95c300f6f1db932002f1e084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.769303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043662/publication.md
observed 6fe6a195e0052fc3e779480cb2eec636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.749428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043662/publication.txt
observed d753fb1f87801dcd969d3e1ac43e7950...
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.