OpenTechnical

OT-2026-000074949

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000074949) never changes.

Identity and time

Publication numberOT-2026-000074949 · never reused
Internal UUID01a0ae93-ac2d-7b3d-8d76-74b78b8c7944 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074949
StatusPUBLIC

Content hashes

Canonical textaa49ceee154007db26b24131cea8e8f6cbbe306978c6104a95b807ddeee0a75b
Markdownb6f1090456863fffbfe40cc10893d67b59417bda07c307342d8c36642fcab662
PDF
Publication page1a1b515200b97ad4b481a19124bdee4e2a670070d49e3d7c329491b598000142
Manifestedd61c64bd79b29e55445cc4a7e2b64b7335489e160bc2cb655a4b1ca90f9fb0

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
Signature+3dr12nnwVh5dfKEmsqyXnKTCNZd2OMM32X2NYPNOH9NKCJ7AbIZOxn4nyE/uxyyXbGRfiiKJZFicI4nPpszDQ==
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

2026-09-17T10:18:44.726044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074949
observed 1a1b515200b97ad4b481a19124bdee4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:44.707421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074949/manifest.json
observed edd61c64bd79b29e55445cc4a7e2b64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:44.689156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074949/publication.md
observed b6f1090456863fffbfe40cc10893d67b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:44.666090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074949/publication.txt
observed aa49ceee154007db26b24131cea8e8f6...
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.