OpenTechnical

OT-2026-000023630

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000023630) never changes.

Identity and time

Publication numberOT-2026-000023630 · never reused
Internal UUID01a0ae70-aed3-7f05-a66a-10ac6edc41d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023630
StatusPUBLIC

Content hashes

Canonical text4daed18b13549eb09f6cae8e39ba549940195e79912a3bcb921d744a7db0b958
Markdown76d544ef28b8126a0d3e2d406d602df34bb8a117cea8016862995baca6d425f6
PDF
Publication page65e7e9ff67aa762a3d7483472f2c6c3509db6eaac6150fe491fc37d134257bee
Manifest244cccaf1e1d1370108104967381c1563da363114fde43eb461f6734603e9d1c

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
SignatureXLf6022w8t0+3Px2Gb9Be3s22QPEG9uPBl98HSAmYhCqALGHN9xeEp9D1ipG4vzeM/aZnbzKS2uksSzdJX/RAA==
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

2026-09-17T11:49:50.261590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023630
observed 65e7e9ff67aa762a3d7483472f2c6c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.244310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023630/manifest.json
observed 244cccaf1e1d1370108104967381c156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.211312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023630/publication.md
observed 76d544ef28b8126a0d3e2d406d602df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.194184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023630/publication.txt
observed 4daed18b13549eb09f6cae8e39ba5499...
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.