OpenTechnical

OT-2026-000049329

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000049329) never changes.

Identity and time

Publication numberOT-2026-000049329 · never reused
Internal UUID01a0ae81-1350-7e0e-ad32-8af89728782a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049329
StatusPUBLIC

Content hashes

Canonical texteaaafe94ee8577c12bc0967710f5768cee5dc16a37ccb0b034e34f61b2723c45
Markdown97099891d971402fd12c82555f783a4d20200711663417db9cf7b293f40ceda6
PDF
Publication page16ad9f39634631321a6b561ed871555c50ce13b28bfd8c2ebf1ced1bd72969bf
Manifestc184d0e9d9480e98f170ea8b3dcc1308559a2f5f50bb07e41458f095710ab432

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
Signaturelt1BkpkCn/DSmJYKuLVNMv9oIoNOzW14g6mNYzjsdmTx0BNyFKjaFAcGp3dbqQDUQ4IDIjgVwYJ10Hg73taVDA==
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

2026-09-17T11:04:12.362832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049329
observed 16ad9f39634631321a6b561ed871555c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.345491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049329/manifest.json
observed c184d0e9d9480e98f170ea8b3dcc1308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.327416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049329/publication.md
observed 97099891d971402fd12c82555f783a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.309170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049329/publication.txt
observed eaaafe94ee8577c12bc0967710f5768c...
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.