OpenTechnical

OT-2026-000049039

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000049039) never changes.

Identity and time

Publication numberOT-2026-000049039 · never reused
Internal UUID01a0ae81-134d-7fb0-880a-761d21a09443 · 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-2026-000049039
StatusPUBLIC

Content hashes

Canonical text603c11db9c525ac010d7c43e744ff751bbbd107027f8305bb74c7bea1c1b8713
Markdowncf750091977e099d629cc96b46d2e402e013ae2abed592816718ae1ee0b406d9
PDF
Publication page756dc8056b67054d2ad78ed9fdee012fe73171a1e35abbd8980bb7a6222af722
Manifest9fd8359073aac539ae9258958b70d891284673542ce58e81a815f95fd8a2542b

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
SignaturePcFQBCWC44B8amx6MUeo3i4GO8bhgVRWJyw4vy2gLiLnhkeTQEGiU1fVcEF4zc/n9CikIMWbX3401mOTu70ACA==
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

2026-09-17T11:03:15.739584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049039
observed 756dc8056b67054d2ad78ed9fdee012f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.722899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049039/manifest.json
observed 9fd8359073aac539ae9258958b70d891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.704544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049039/publication.md
observed cf750091977e099d629cc96b46d2e402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.687202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049039/publication.txt
observed 603c11db9c525ac010d7c43e744ff751...
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.