OpenTechnical

OT-2026-000015831

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000015831) never changes.

Identity and time

Publication numberOT-2026-000015831 · never reused
Internal UUID01a0ae6e-0c4c-7045-9566-57ad46e89573 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015831
StatusPUBLIC

Content hashes

Canonical text9c88880cc8eaa3dbef5af3b04fdff73f0d15b0679880f9e30bc0cb2696e0b55f
Markdownb16028527094dd01ca8b5c47301db81643ec93d0ed1f5148d0f6023119b5fab1
PDF
Publication page9e845246a8ff72eab47a7b0ff95dfe363b383e35359091d90027eee761359c4d
Manifest37d436d3e523dff8a57b5738899238d89e551e10c4421415c372176e752d10f9

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
Signature6jnP4OuKmD4dQHNW/pVPCxrfkS/MllhkI34GrmK9fhw5jDEhvSdlFDceqYEjcq+cE61CKm13jMdEfgbYzBbvBQ==
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

2026-09-17T12:05:09.055821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015831
observed 9e845246a8ff72eab47a7b0ff95dfe36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.037499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015831/manifest.json
observed 37d436d3e523dff8a57b5738899238d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.018231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015831/publication.md
observed b16028527094dd01ca8b5c47301db816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.999144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015831/publication.txt
observed 9c88880cc8eaa3dbef5af3b04fdff73f...
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.