OpenTechnical

OT-2026-000072545

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000072545) never changes.

Identity and time

Publication numberOT-2026-000072545 · never reused
Internal UUID01a0ae92-89d8-72ba-846f-00c2043ad946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072545
StatusPUBLIC

Content hashes

Canonical text0c02de80bae68a17551c9bfd39793363715f5d48231a4936c4932896a3cdc550
Markdown33a8527e366d48e07e408890f9e9e231adf28257a1d70406ad3da3056637f8c4
PDF
Publication page48a20723614790fd1ddb2808ebba6f6a30da001d3e3d64ddb049e9968bff7ab2
Manifest0379c809b02d340dbe7dbf1cfb787acb1f533613056f3120edd3a52e730dbeb4

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
Signaturec5B4tKhNIT32hEqY5TDnU4p+Witin5j9Y2VtQ+6/W0J3F+FkpPtOvCgbPhiYfKsNm6a2w0bQFe+fOqKsfcwRDA==
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

2026-09-17T10:22:22.589397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072545
observed 48a20723614790fd1ddb2808ebba6f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.570653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072545/manifest.json
observed 0379c809b02d340dbe7dbf1cfb787acb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.553512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072545/publication.md
observed 33a8527e366d48e07e408890f9e9e231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.535420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072545/publication.txt
observed 0c02de80bae68a17551c9bfd39793363...
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.