OpenTechnical

OT-2026-000019247

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pulsed 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-2026-000019247) never changes.

Identity and time

Publication numberOT-2026-000019247 · never reused
Internal UUID01a0ae6e-f391-7880-81b8-555abf242496 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019247
StatusPUBLIC

Content hashes

Canonical text8be12655898eb3161f7f64a6fa45a68de4dc4a7e41c57553bc047b4da410df78
Markdowne2aaa59666dc0c47100d21ca1d68ef569aa57d6c341e07406641f1ee50c7208c
PDF
Publication pageb85f6c39579406bdf7c123d4cc29262c9b241b51c52f32ee6a01bbdd7b42c789
Manifest1303d527ef83cdea577664ece4cd53c65bf3f3796c7576378d5d1841655a369d

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
Signature4beqcOvdPvwr6WCXxHHi/nihd2v/I+qqG577xmr8qSql1kspi39RP00XkL/Dgh4Z+JU6Husgas+wPNx7Mc4nCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:35.027936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019247
observed b85f6c39579406bdf7c123d4cc29262c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.007962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019247/manifest.json
observed 1303d527ef83cdea577664ece4cd53c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.990520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019247/publication.md
observed e2aaa59666dc0c47100d21ca1d68ef56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.973881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019247/publication.txt
observed 8be12655898eb3161f7f64a6fa45a68d...
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.