OpenTechnical

OT-2026-000019290

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000019290) never changes.

Identity and time

Publication numberOT-2026-000019290 · never reused
Internal UUID01a0ae6e-f392-77fb-8063-418dde7d130e · 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-2026-000019290
StatusPUBLIC

Content hashes

Canonical text382c191a4176b77318053c4096f36563ecebf115bc3c69e98c4371a22b2c6ff6
Markdownb20ddc29e180623c46ced8b9373b5b2c28eebda564401d099b4a606abd59b897
PDF
Publication page79ade8f752a8970eb42b800e6094f5e16d45e7460823ca3d71c335723e5c5d04
Manifest277de4e2f5fc318e47086062f97d07d60d0cbea1a6849fd96c488afd80dd07fa

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
SignaturesdeXpvZtsRCAUwnDyFV3J3ghtF/WGxIh4L12ryKhvdzL+BOr5brSEPZaGSANqtEO0UHeRu2CVu9W727+7QcABQ==
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

2026-09-17T11:58:38.643373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019290
observed 79ade8f752a8970eb42b800e6094f5e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.625291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019290/manifest.json
observed 277de4e2f5fc318e47086062f97d07d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.606881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019290/publication.md
observed b20ddc29e180623c46ced8b9373b5b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.586210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019290/publication.txt
observed 382c191a4176b77318053c4096f36563...
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.