OpenTechnical

OT-2026-000023373

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained 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-2026-000023373) never changes.

Identity and time

Publication numberOT-2026-000023373 · never reused
Internal UUID01a0ae70-7268-7050-8b7c-fb8c3a99824a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023373
StatusPUBLIC

Content hashes

Canonical text9b60577dfebfaefb1de8178066df257a45e7746f14318ad5fbad3e57b8dfb6e4
Markdown053a60ddc792dab9a5b1f616c7cdbef6aab81d30ee604b9eaa43bca665add779
PDF
Publication page419bcd734b2a8b879e8e85069f5712454760ba49543ea4e5e51d6bfecea77ef2
Manifest1f3741b2c2a13d1a3b25aa0ac8bcbc9596eae8b876dfe811e37af7cc20028713

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
Signaturet2VNMK46dvnm+dsMCp27IIE9L2rZUCIiai4vknlO6xU9JWgPiag4XaU4GVFUzqPE2XBwaDDGWNqDcKB/OIL9Dw==
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

2026-09-17T11:51:34.084831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023373
observed 419bcd734b2a8b879e8e85069f571245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.064562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023373/manifest.json
observed 1f3741b2c2a13d1a3b25aa0ac8bcbc95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:33.899578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023373/publication.md
observed 053a60ddc792dab9a5b1f616c7cdbef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:28.469434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023373/publication.txt
observed 9b60577dfebfaefb1de8178066df257a...
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.