OpenTechnical

OT-2026-000101008

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000101008) never changes.

Identity and time

Publication numberOT-2026-000101008 · never reused
Internal UUID01a0aea3-c377-79d3-9c8f-7fa1587f7341 · 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-2026-000101008
StatusPUBLIC

Content hashes

Canonical textbefd34ace3ef66aac8dd3b0c923e41e0a73add6d78b8828f31bf84b6c77f5c52
Markdown68c90985f82926fd9529bf023b10457b255af8f85326fec886d6bfa9da0d3a8b
PDF
Publication page2b357c697163b1514816f7160d270e6ed1a73e4dc03781e630fdf100e1d5e596
Manifest0fd912e4aab343829f1ac79506ed82582069f354124fb1f7de835e65bb9ec135

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
SignatureTfmH7QwAxKdJXOl3kAHqymTrjBgnGjjNSYmDNPLKjsqttq5tLY20lbAwVqZVzXB8KVh6kElDVSiR52RGZ2pXBg==
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

2026-09-17T09:26:36.587588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101008
observed 2b357c697163b1514816f7160d270e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.569562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101008/manifest.json
observed 0fd912e4aab343829f1ac79506ed8258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.552415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101008/publication.md
observed 68c90985f82926fd9529bf023b10457b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.534151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101008/publication.txt
observed befd34ace3ef66aac8dd3b0c923e41e0...
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.