OpenTechnical

OT-2026-000050711

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000050711) never changes.

Identity and time

Publication numberOT-2026-000050711 · never reused
Internal UUID01a0ae82-c7b1-7a3d-90c0-28842e5491d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050711
StatusPUBLIC

Content hashes

Canonical textb16d8cd8550bbdfde1bd23f1b5dc7747fe70f2fac55be3ab5e39ae8fbc4e52a1
Markdown48ea9a7d46840a9d5d68e9cee90f5e12e9cfc3ef9978f983d49f18b6401a668c
PDF
Publication page3bfc933ae8a877bd644f912002eed034712c98b9f96bad5613ad282df4577d05
Manifest1102a3c69836ad7d4b2fd6d9f7986bf9c8975df1cda51d08fcd30aedd657e4fb

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
SignatureuDHZC9tcPGW8g6X7EcIv2PMlpE8Bf0+U9hJ2+eo91BqA+21VmHj0ubMRNNXbHNKVB0gb1VnQ+7FI0oWUms2lAA==
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

2026-09-17T11:00:03.967419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050711
observed 3bfc933ae8a877bd644f912002eed034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:03.947283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050711/manifest.json
observed 1102a3c69836ad7d4b2fd6d9f7986bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:03.945127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050711
observed 3bfc933ae8a877bd644f912002eed034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:03.920797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050711/publication.md
observed 48ea9a7d46840a9d5d68e9cee90f5e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:03.918827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050711/manifest.json
observed 1102a3c69836ad7d4b2fd6d9f7986bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:03.898008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050711/publication.txt
observed b16d8cd8550bbdfde1bd23f1b5dc7747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:03.897391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050711/publication.md
observed 48ea9a7d46840a9d5d68e9cee90f5e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:03.875732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050711/publication.txt
observed b16d8cd8550bbdfde1bd23f1b5dc7747...
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.