OpenTechnical

OT-2026-000100888

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000100888) never changes.

Identity and time

Publication numberOT-2026-000100888 · never reused
Internal UUID01a0aea3-c376-71ac-9f17-07ca1ac1c896 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100888
StatusPUBLIC

Content hashes

Canonical text3920948bf4190fe32634fca8bfd578424b14d3bf803c4e63cf64d7f0d99c4325
Markdown2e2afaa628b55b8a686796c2a061238703299fd11732e590345c68153306dd8d
PDF
Publication page0b7bc862a5dd1a342e1faec2f4f2fc284fcd69d3aa65c8f2f55dd402ad3dd425
Manifest8d47a4c868b5035f0fac0c17544f8831e466ac25ea29c030f1d1af6cf377f81d

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
Signature2QgWBLNh/8TCWz/6Cn9GExgjNBt36PQcMFYF2gM98qioYRYMWhBGtCCU+FScQdqBqTqHOxuyRZPodTd+0Rt/Aw==
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

2026-09-17T09:26:22.756045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100888
observed 0b7bc862a5dd1a342e1faec2f4f2fc28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.736315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100888/manifest.json
observed 8d47a4c868b5035f0fac0c17544f8831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.715009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100888/publication.md
observed 2e2afaa628b55b8a686796c2a0612387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.694721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100888/publication.txt
observed 3920948bf4190fe32634fca8bfd57842...
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.