OpenTechnical

OT-2026-000074898

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000074898) never changes.

Identity and time

Publication numberOT-2026-000074898 · never reused
Internal UUID01a0ae93-ac2c-713a-9e1c-dcc794770d77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074898
StatusPUBLIC

Content hashes

Canonical text6696faed16e6d5cf9f55b10054fbfd0697eb30919869da956070811ad4118f9a
Markdowna48a34d5b5f65fef615ae4f684d13021b29c525d339cefa0107c2815fcd80487
PDF
Publication page5bbcc5b75bb27b52c644177f9dcd167931c5096d0558b1fcfb58de606d506367
Manifest7eb52f26d273d3068f19546cca02483a3e891a394aaf0d5e475356898f0fc478

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
SignatureFiAc6R6mRpy5Fb5cfo+yq0h/h3GsexKicuGJDKl2KHA+xEBk+CLtCm205fF0UVw3jQwDFSzIkB9fDk63YAknAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:06.704493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074898
observed 5bbcc5b75bb27b52c644177f9dcd1679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:06.565842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074898/manifest.json
observed 7eb52f26d273d3068f19546cca02483a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:06.298082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074898/publication.md
observed a48a34d5b5f65fef615ae4f684d13021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:06.233632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074898/publication.txt
observed 6696faed16e6d5cf9f55b10054fbfd06...
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.