OpenTechnical

OT-2026-000104103

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000104103) never changes.

Identity and time

Publication numberOT-2026-000104103 · never reused
Internal UUID01a0aea5-341f-7157-a6d6-48fe7483ef61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104103
StatusPUBLIC

Content hashes

Canonical text005dd36d1debe476cbfe03437d885281478daf1d346b1a723162dafc2fcd73ca
Markdowna4f2e81a8053295ac2fb3beb3bb02fce191945b8ba2e7f4bf1e5e12f63d0ee96
PDF
Publication page154fe9f1594dfaf84cc3675a53f2d736226a69a46c672af27c2e4d4ccbe52ccc
Manifest9186cbfe5f462757ce6dccb8659952b090c2d2bc8a6d63739b91db1f3370e2d8

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
SignatureZQSDIdif3RRnUC12j8OFrFEkqqqwvoHWTqxjc0iJJVKRcvEWTeAbZPzCeac/X6aMDbOGMO6LhePz2xcy1+I1CA==
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

2026-09-17T09:20:10.543705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104103
observed 154fe9f1594dfaf84cc3675a53f2d736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.523802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104103/manifest.json
observed 9186cbfe5f462757ce6dccb8659952b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.502660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104103/publication.md
observed a4f2e81a8053295ac2fb3beb3bb02fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.485266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104103/publication.txt
observed 005dd36d1debe476cbfe03437d885281...
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.