OpenTechnical

OT-2026-000040917

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000040917) never changes.

Identity and time

Publication numberOT-2026-000040917 · never reused
Internal UUID01a0ae79-6d10-72d4-8c6b-6755f1894b8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040917
StatusPUBLIC

Content hashes

Canonical text80b5bebd414bb73f90380cbc6a7e6674ee8f0c8dbfce0bfe2f5fc58ffc663555
Markdown247db56825cd165e7595bc94ab471a792d845285ffeb0f5c1715092c38e87cda
PDF
Publication pagec3941b0d59e886170724f629fd09e74b6f8585e6cc3b8f9dbcbdef763c5f854b
Manifestc2cfff065496c26915534d974b27b979d6221ba9b9afe465ad0c322d77d8b942

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
Signature3urKzEn6EtFYl4XeOtVrtvElIcABBW48cinOhi+GNLQ/pGvBcCDgJ0YzDFK12c7imSUbjT7Eq+w+DOoz9YxsBA==
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

2026-09-17T11:20:18.432336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040917
observed c3941b0d59e886170724f629fd09e74b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.409007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040917/manifest.json
observed c2cfff065496c26915534d974b27b979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.386528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040917/publication.md
observed 247db56825cd165e7595bc94ab471a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.366286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040917/publication.txt
observed 80b5bebd414bb73f90380cbc6a7e6674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.443028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040917
observed c3941b0d59e886170724f629fd09e74b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.423326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040917/manifest.json
observed c2cfff065496c26915534d974b27b979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.407551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040917/publication.md
observed 247db56825cd165e7595bc94ab471a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:43.391397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040917/publication.txt
observed 80b5bebd414bb73f90380cbc6a7e6674...
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.