OpenTechnical

OT-2026-000018052

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000018052) never changes.

Identity and time

Publication numberOT-2026-000018052 · never reused
Internal UUID01a0ae6e-96fd-76c2-9eca-199feb3ac588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018052
StatusPUBLIC

Content hashes

Canonical text536daca7661e9e8535ff396fa4120b85361a8fa44654e19db880ddcfbb6df016
Markdown196f171a7c75156984be0154d3587f7dc2765259d262e7d4ae809dc8dc18dafd
PDF
Publication page387b40410a8f9d2cf4c13c25207ad1b2f029417d68156b296e10d63a2417aa17
Manifest5c9d8e2f6f09fc13dd4e4ac699c39b82745b7261a0a9817b2c528dae13b8e91a

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
SignatureKExY8WoCjPQORqT0+llgf2SaNqoUNMGAUFl1TVAincLATQ4Iob+MDAm9cdEov4ZmLSlTQfoXYnQ/Ki64UuWRCQ==
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

2026-09-17T12:02:05.352514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018052
observed 387b40410a8f9d2cf4c13c25207ad1b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.335831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018052/manifest.json
observed 5c9d8e2f6f09fc13dd4e4ac699c39b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.317270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018052/publication.md
observed 196f171a7c75156984be0154d3587f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.300241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018052/publication.txt
observed 536daca7661e9e8535ff396fa4120b85...
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.