OpenTechnical

OT-2026-000049415

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049415) never changes.

Identity and time

Publication numberOT-2026-000049415 · never reused
Internal UUID01a0ae81-8f7b-7167-a28b-a60675de07f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049415
StatusPUBLIC

Content hashes

Canonical text5251e476012c56212547f143e07d4bb99854dbab1ebff3530f7d203345703d42
Markdown5a28b6607c5e7fd4947f9d4d4ce31672a3006196cd411671b8054fab17e80658
PDF
Publication page7b075bf3b924bfdf67462ab9e4a1c0da34cbbc470357b7b2c8724412ffa8a3bf
Manifest0e09d24577315c2ad1a14ca66bafbf2a40d1279fc403a6ddc5aa7ce74fa625f5

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
SignatureHNP4SQWx3Ebf3eTXbPvfVpXK1rkkrrRbSAVKSEP0J6RQa7u+N1PpSqErroaeZXqYUw8Jdbw1+qsnZK9zRUBcCw==
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

2026-09-17T11:02:13.642438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049415
observed 7b075bf3b924bfdf67462ab9e4a1c0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.624564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049415/manifest.json
observed 0e09d24577315c2ad1a14ca66bafbf2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.578363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049415/publication.md
observed 5a28b6607c5e7fd4947f9d4d4ce31672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:13.534560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049415/publication.txt
observed 5251e476012c56212547f143e07d4bb9...
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.