OpenTechnical

OT-2026-000005279

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, pump fed, pressure verified

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-2026-000005279) never changes.

Identity and time

Publication numberOT-2026-000005279 · never reused
Internal UUID01a0a933-b564-70a4-91bc-7627060701a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:52:13.415411Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005279
StatusPUBLIC

Content hashes

Canonical text87a9e31e2e857c77d9c98fbb2fc9a906fa8d10aba65845239df55c0e9c5c7172
Markdowna51d21139a059c7d62527ef8044e4c1b0b265a2b9fc8e6fe03314bf6eb86dea4
PDF
Publication page7a9fcfbc5393cf929fa797568a637a30741f9214e5b760d2d300ef23806c47b8
Manifest3d24f671dc6062d1081415bfa82adc82fbe9aee3d73ea8d02d623fee021ac85f

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
Signature3xnmP7+dvMOiSnVpWVuH4Mb97j3DeRoPLYNMgxLuymauTVY5w/phnzKOIe8PRDoEZsQL6FUNPgsnikn7xQegBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:27.458952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005279
observed 7a9fcfbc5393cf929fa797568a637a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.446315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005279/manifest.json
observed 3d24f671dc6062d1081415bfa82adc82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.433690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005279/publication.md
observed a51d21139a059c7d62527ef8044e4c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:27.417285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005279/publication.txt
observed 87a9e31e2e857c77d9c98fbb2fc9a906...
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.