OpenTechnical

OT-2026-000016535

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed 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-2026-000016535) never changes.

Identity and time

Publication numberOT-2026-000016535 · never reused
Internal UUID01a0ae6e-2d13-78b1-b994-3b6e646d2b47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016535
StatusPUBLIC

Content hashes

Canonical textf66b6368317af8f7fc24d21d26dccb617ca615b0e96f5aa44ee7ef1e9b295aa5
Markdown9c6d65d1facbf575b1bf46d7ed430eee52a7bd41f8c580574170fffa2611d135
PDF
Publication pagefe7eaea2392cba5ce56d7cadeddeb72e9d5a0e7329fa7eb812bd268236125474
Manifest19b312c3f22da3119cfce77991fda0f2c17759bd3f35cfac5b29f697a9ffdd35

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
SignatureX0xzErUdf53cDXinoYWj7/HvHMaqS+zcaXbfeIPi7rQ1Tx7hJQ3+S9laFc6sOby8+o+5X/clWji6RCNZI9LYAA==
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

2026-09-17T12:04:45.345970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016535
observed fe7eaea2392cba5ce56d7cadeddeb72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.325379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016535/manifest.json
observed 19b312c3f22da3119cfce77991fda0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.306888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016535/publication.md
observed 9c6d65d1facbf575b1bf46d7ed430eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.286534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016535/publication.txt
observed f66b6368317af8f7fc24d21d26dccb61...
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.