OpenTechnical

OT-2026-000051721

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, vented before 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-2026-000051721) never changes.

Identity and time

Publication numberOT-2026-000051721 · never reused
Internal UUID01a0ae83-7c83-794b-ac7f-fe7eb3c81a9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051721
StatusPUBLIC

Content hashes

Canonical text365589dcae26069a14ed001e0ab850643064800989bf34f16073f7aa59c20ab9
Markdownb9ef9efb0fde6694cb54d36d8b58e024b757949fccf2c4b803fe2ae23ba5c23c
PDF
Publication page4547d461d39ef3b1f41259e7065afddd5bde0e7e81f97a61331b2ffbff4e73de
Manifestfa2421a1625a1f3d338debcafbb6345364a1dfa01642355d761a63a43d8ed73f

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
SignaturepsYYafxBsM84aMZ4UxZa0TFdZArEF8NUX7efyeWg/x7quhohkhyUY4YU/6ZI5n+l+ou900liPsbUJs01PxCTCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:36.570627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051721
observed 4547d461d39ef3b1f41259e7065afddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.464141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051721/manifest.json
observed fa2421a1625a1f3d338debcafbb63453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.443737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051721/publication.md
observed b9ef9efb0fde6694cb54d36d8b58e024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.422914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051721/publication.txt
observed 365589dcae26069a14ed001e0ab85064...
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.