OpenTechnical

OT-2026-000103706

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000103706) never changes.

Identity and time

Publication numberOT-2026-000103706 · never reused
Internal UUID01a0aea4-e462-751d-ad28-662e3a9a973d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103706
StatusPUBLIC

Content hashes

Canonical text0f5c2e3bdd001159d178c48b599eda99fdc6060b7786a115c6cfb3a44bdcb107
Markdown7d419f670512a74a505df032b74ebc5f814c80a289a5d004cee1718817692b00
PDF
Publication page74c715230caea99a7fc62655f2a9bf0d7f6cd00c42804184fe4ba36794ba3d0b
Manifest0f687678d9fbbaf5f52a010b116d5a5314037b7c23d352cf13b5cdfd84b59ec5

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
Signature5DzJ7qsuJ9Lp9oduoPi/EZAX2w0xO6e2nHssN4FeJALfnIPY3tMTqj+gfQol28hLCldxW/5Br8v8FJSFFnWHAg==
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

2026-09-17T09:22:30.827686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103706
observed 74c715230caea99a7fc62655f2a9bf0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.810162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103706/manifest.json
observed 0f687678d9fbbaf5f52a010b116d5a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.792669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103706/publication.md
observed 7d419f670512a74a505df032b74ebc5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.775251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103706/publication.txt
observed 0f5c2e3bdd001159d178c48b599eda99...
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.