OpenTechnical

OT-2026-000018614

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000018614) never changes.

Identity and time

Publication numberOT-2026-000018614 · never reused
Internal UUID01a0ae6e-d520-7c08-aa73-8438c8a67503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018614
StatusPUBLIC

Content hashes

Canonical text063ac943896dc6fc112c5cc046ba55cedd731ba3b8a42a78635ca3e271979ed0
Markdown139b9d485ceaf9813784f995321e03bdc7626607b39f8258e5a5e856dfcacc68
PDF
Publication page41dc387eb0f263fd6a58de5fd5c5bb2251ca636143396e406851a5611b66f506
Manifestd468a343c0b9d59b909963e856c4d306a046934c59847e54d2b5b7a7aaf027b4

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
SignatureXZm3jBxRzRZfqtUN8Y/6IeiOzq/caKZxlQ3GLyM4LZPPx09EHjHwn+ZuVyzctuUUPonHmxl7F2St0muLwJEZDA==
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

2026-09-17T11:59:04.717800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018614
observed 41dc387eb0f263fd6a58de5fd5c5bb22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.638962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018614/manifest.json
observed d468a343c0b9d59b909963e856c4d306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.619274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018614/publication.md
observed 139b9d485ceaf9813784f995321e03bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.553644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018614/publication.txt
observed 063ac943896dc6fc112c5cc046ba55ce...
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.