OpenTechnical

OT-2026-000020748

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000020748) never changes.

Identity and time

Publication numberOT-2026-000020748 · never reused
Internal UUID01a0ae6f-65e2-78eb-96d0-683df0b3aba1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020748
StatusPUBLIC

Content hashes

Canonical texte138fee9fec364ca25b109ebabf40603d421ddd922d0060cba7b7d4c23373ea9
Markdownf8b7c93fe603d270a8eabac4c6ca3e917b5db36becfb74f8114176d7fcdfc0d7
PDF
Publication pagefcf52386ab3864503d940d3f6444db37595ba7c4c67a27e8aa409f504d51fc56
Manifest651ae319fb24fc0dd7ff092a1bc94d770045c405d13ede57cecacbf2f2d32c86

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
SignatureMDLRKB9QdaZZvVPX3k4mGb3Me8s8q3dJl2GERzpOn94/QLPUBDPixl1tuLrMtZo9B2r9sG6ApSdQX9ikpIIVAA==
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

2026-09-17T11:55:49.082578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020748
observed fcf52386ab3864503d940d3f6444db37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.065527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020748/manifest.json
observed 651ae319fb24fc0dd7ff092a1bc94d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.047815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020748/publication.md
observed f8b7c93fe603d270a8eabac4c6ca3e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.030355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020748/publication.txt
observed e138fee9fec364ca25b109ebabf40603...
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.