OpenTechnical

OT-2026-000074429

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000074429) never changes.

Identity and time

Publication numberOT-2026-000074429 · never reused
Internal UUID01a0ae93-717a-79ae-8772-28143bce8aa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074429
StatusPUBLIC

Content hashes

Canonical text67d8934116e1fe22235f3ae2e11f5f2f88a40ea13fe9d3a134cd8b1e4de81fad
Markdown329c9586a1cfbb0257408acfd35c850c6bdf3f8899302ec8812dae439a14a6ce
PDF
Publication page18a965fd06662c74ea015e94166d41de3af21bed1d20ab25387275578ae0671d
Manifestc4bd1f9ec39d55658e8e3fad7819d1e3616fa8056acc416b0777fe5d92f5de9b

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
SignatureIAmLElVn/KbHng7+SO0SEyXKjkkdd7KVuNwYmubootwUhuM5oqJypV0JVfPVM06VNVyQfeGx6/FtqIlsPdaBBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:22.735928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074429
observed 18a965fd06662c74ea015e94166d41de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.718617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074429/manifest.json
observed c4bd1f9ec39d55658e8e3fad7819d1e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.700432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074429/publication.md
observed 329c9586a1cfbb0257408acfd35c850c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.681950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074429/publication.txt
observed 67d8934116e1fe22235f3ae2e11f5f2f...
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.