OpenTechnical

OT-2026-000102887

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000102887) never changes.

Identity and time

Publication numberOT-2026-000102887 · never reused
Internal UUID01a0aea4-be3c-7547-ba41-49cda2e97780 · 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-2026-000102887
StatusPUBLIC

Content hashes

Canonical textcdab5a7eca5fdb113c57650b4af8eb56f6a91ee228f92b0946767d44b3e3aa34
Markdown45396798cde28cb8d8fd482832a0d8aa9f11f39726484dd805e1a44da61e8087
PDF
Publication paged6e180531c8da01dfe5ec5233694e121d6e7df31869598708b7032fc58467f08
Manifest7a4e8a4515897920b23c611c77ed270de3137ddd8f6850dfbfc8a81be4b9a9ec

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
SignatureBF4g+C8+SQyDBwtN7DtgvJfVshNVD2+yVwkywKGaFiINkiuuztAFEIXbynzvnyY3HbpiIa4sKB1+weDHL7aQAg==
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

2026-09-17T09:22:53.817953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102887
observed d6e180531c8da01dfe5ec5233694e121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.801318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102887/manifest.json
observed 7a4e8a4515897920b23c611c77ed270d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.781433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102887/publication.md
observed 45396798cde28cb8d8fd482832a0d8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.763038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102887/publication.txt
observed cdab5a7eca5fdb113c57650b4af8eb56...
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.