OpenTechnical

OT-2026-000102971

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000102971) never changes.

Identity and time

Publication numberOT-2026-000102971 · never reused
Internal UUID01a0aea4-be3c-7882-8e41-6aa39e1be044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102971
StatusPUBLIC

Content hashes

Canonical text872c38d2ef9b1ab954ddfe6478c47dffdd5d2d5114e339493a39cdeac0f6759b
Markdown9b465fb6dc2def001c49ed80346ba5cb0a06e8e047f5041c70d3195129a25e85
PDF
Publication pageb878939ad9eed723a131fae29ac45ffb9908566da31fe60e52985d70d0c1d955
Manifest13f995fb9bacb58d992b0387a8834e3c1d6ce2989f94fc538e783cce06398545

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
SignaturekDM3TYQpwctAB140R3Bs+l+YQGLuaiHdOBRVMC+u9WfCB0RR/EUVT1wKZBA6ETLT1bDGMFY0eojun6SCxM6TBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:04.903462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102971
observed b878939ad9eed723a131fae29ac45ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.885202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102971/manifest.json
observed 13f995fb9bacb58d992b0387a8834e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.867748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102971/publication.md
observed 9b465fb6dc2def001c49ed80346ba5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:04.850443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102971/publication.txt
observed 872c38d2ef9b1ab954ddfe6478c47dff...
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.