OpenTechnical

OT-2026-000049132

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000049132) never changes.

Identity and time

Publication numberOT-2026-000049132 · never reused
Internal UUID01a0ae81-134e-7159-a40e-a2674cb03046 · 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-2026-000049132
StatusPUBLIC

Content hashes

Canonical text30a159dc2f8da21f77cc04d5dc5a2dfb7cc8b91c7f8dc9d24a88c6fe8656a6b8
Markdownf898a295baa589c08b922e2b130fa0a370a4a6b32987aa991dddb0fe71ce011d
PDF
Publication page8d43857f647326ab8e08a26021d8f60a9430392e9c18acfe62504800ea123eea
Manifest6e59830057855aaf7378246c8f4a2a9c52b7df4f37283b87ba4fba2e47c4af7c

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
SignatureesquII/HXJHUdJdp7wuJw2mH1A8ttTLF1t7eU0RfxvKMKeKMxbk7Y4amXBL011DU3Vx0FllhPt4D+2UyqodtBQ==
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

2026-09-17T11:03:24.004426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049132
observed 8d43857f647326ab8e08a26021d8f60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:23.985866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049132/manifest.json
observed 6e59830057855aaf7378246c8f4a2a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:23.965689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049132/publication.md
observed f898a295baa589c08b922e2b130fa0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:23.945867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049132/publication.txt
observed 30a159dc2f8da21f77cc04d5dc5a2dfb...
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.