OpenTechnical

OT-2026-000101174

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000101174) never changes.

Identity and time

Publication numberOT-2026-000101174 · never reused
Internal UUID01a0aea3-c378-796a-9655-1bc038bd3ac0 · 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-2026-000101174
StatusPUBLIC

Content hashes

Canonical text238d4bd93df3d5099750eb22386657cf5b2105e1bd61cae7abccca703f9875ba
Markdownc6cf64e3fd51c765bd42f1a86fe84457f06e07ce8f4da899f49926d5abee1ba0
PDF
Publication page891abbb0a26d5e0a5b84d376b9bd39236491ed24fe1690ef5523e1ec39fe2ab2
Manifestae6360797fcbe929409bb6645f7997bf4a4ff789b25cffe00f808af31430a2d5

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
SignaturegsSqrQ3ngp6205f3xEDkS9xA9ewwbckdzFra0jMdJeb/Y17RaV6RsYqkzzR/G9OQBxPSozAOCEng5W2Fu896BQ==
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

2026-09-17T09:26:49.087957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101174
observed 891abbb0a26d5e0a5b84d376b9bd3923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.070505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101174/manifest.json
observed ae6360797fcbe929409bb6645f7997bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.053306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101174/publication.md
observed c6cf64e3fd51c765bd42f1a86fe84457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.034480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101174/publication.txt
observed 238d4bd93df3d5099750eb22386657cf...
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.