OpenTechnical

OT-2026-000018980

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000018980) never changes.

Identity and time

Publication numberOT-2026-000018980 · never reused
Internal UUID01a0ae6e-d522-7b57-8295-ae3edcb5f43a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018980
StatusPUBLIC

Content hashes

Canonical text301da1fea7761dcc936751e1cd572b0ac487ac1014ae745363774ebe628a53ac
Markdown92c8f715ed211729ccdf911953d0b361237ce84cc4fe7fdc0d973b97f56cd711
PDF
Publication pageeb2fb9382d431682263f5f1e52c7f41a07365a61aba1e9eb92ec58b7d7aac8b9
Manifest24ab4950d137b7c73896a5798d3d77bd24e5102095c757aed0568d643b29a86c

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
SignaturePOZkJVbXm25zetUqyuqT+a2pPY687JMSW1PFEloGxwGuIx134JexSger4Qa6NaUBVPryNySD/ZPIxgE7dweZCA==
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

2026-09-17T11:59:39.497379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018980
observed eb2fb9382d431682263f5f1e52c7f41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.478434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018980/manifest.json
observed 24ab4950d137b7c73896a5798d3d77bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.460793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018980/publication.md
observed 92c8f715ed211729ccdf911953d0b361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.440530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018980/publication.txt
observed 301da1fea7761dcc936751e1cd572b0a...
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.