OpenTechnical

OT-2026-000011755

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000011755) never changes.

Identity and time

Publication numberOT-2026-000011755 · never reused
Internal UUID01a0ae6d-1940-71f9-8fcd-8392f55aa82e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011755
StatusPUBLIC

Content hashes

Canonical textf021ce3ad32ca6297fad60e7a13b5468d2f1dc84ecfd5d8cf73f127da202cccf
Markdown9472f5e5167c773d5703ddf8e68ffb7971f9dc195b2109c843f87c85633ae3f5
PDF
Publication page4a271e34a37b1984aa7482242ee51d8e8c27e1d6ad5db65638458f958543f900
Manifestbf04e4dc4d242d182a4ced23ec1812a2f6001a5084934550276eeb3816146c28

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
SignatureP3qgFyIhFCun4ZgIG7lcBGmFmOdU/3a1e52pj7WOV7plp1OaipGSb68XvHFLvXByZsUdW/UuU7w06WUyVElRDQ==
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

2026-09-17T12:12:27.843785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011755
observed 4a271e34a37b1984aa7482242ee51d8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.822404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011755/manifest.json
observed bf04e4dc4d242d182a4ced23ec1812a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.799455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011755/publication.md
observed 9472f5e5167c773d5703ddf8e68ffb79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.777370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011755/publication.txt
observed f021ce3ad32ca6297fad60e7a13b5468...
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.