OpenTechnical

OT-2026-000100943

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000100943) never changes.

Identity and time

Publication numberOT-2026-000100943 · never reused
Internal UUID01a0aea3-c376-7cae-b130-851eee9c5d00 · 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-2026-000100943
StatusPUBLIC

Content hashes

Canonical texta231a36686a32754ef62c65a568eafa9f1a5908c5c4581699bb6128013076454
Markdown1360e347935feb73bebc59e86410c6f83a0e9dedb859c9eae8c4cf31ec4d871d
PDF
Publication page4336d77b44cc24068f3a05996b2157eb5755c7d2723fed8dbdcf061edfd43033
Manifestd9ef586fde588beca3f4ad93d8b05e7d40405a0d6409e030cba65ef2ba17ddac

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
SignatureM/HS1aF97zIfo3o6qvTsQy2wqDB8AB7qi8NKFbt7IVN7v/C4/uksWjB1osW4FK6mpomlwT0xILRoARCX7jZbAw==
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

2026-09-17T09:26:26.943885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100943
observed 4336d77b44cc24068f3a05996b2157eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:26.924839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100943/manifest.json
observed d9ef586fde588beca3f4ad93d8b05e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:26.904848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100943/publication.md
observed 1360e347935feb73bebc59e86410c6f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:26.886533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100943/publication.txt
observed a231a36686a32754ef62c65a568eafa9...
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.