OpenTechnical

OT-2026-000033781

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000033781) never changes.

Identity and time

Publication numberOT-2026-000033781 · never reused
Internal UUID01a0ae75-a391-7d76-8fed-bb4d5a65bf2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033781
StatusPUBLIC

Content hashes

Canonical text6e6b2b127bc2ae30e5e1063e695d9d1e96ab67e43020686057d8470023bdb849
Markdownb22e00f6470ead4858de04d2b687f74f6da83e0d2dcc1e12c92ac2de1fef7fa2
PDF
Publication page92da6f3c4c881cce4b15125c314012e2a0b537f57d78f846386f51a6ec8bcc98
Manifest1947a804220c3b515dbe38cfa153f3778b7f9b12ac6128547ad6e9829ccacff1

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
Signature/S4qEtl7I3DghAfitNRCweJdAFTU2/oofUuVX+FiJ4RUXtYh5AdtJeW20fpSFHs94cSaKlnqN1zBhUm63eGCBw==
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

2026-09-17T11:31:49.135788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033781
observed 92da6f3c4c881cce4b15125c314012e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:49.117047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033781/manifest.json
observed 1947a804220c3b515dbe38cfa153f377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:49.099122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033781/publication.md
observed b22e00f6470ead4858de04d2b687f74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:49.079927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033781/publication.txt
observed 6e6b2b127bc2ae30e5e1063e695d9d1e...
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.