OpenTechnical

OT-2026-000061944

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061944) never changes.

Identity and time

Publication numberOT-2026-000061944 · never reused
Internal UUID01a0ae8b-b8ad-755b-beb6-5fdd0e863716 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061944
StatusPUBLIC

Content hashes

Canonical textb276e95e7b39bf6efaf534e029c48d768dcab2422654b4c2f43059140ac53ee9
Markdownae02e0b77b577f60e566800069c1bd9cb7ade0775340425bfe7aa79501121223
PDF
Publication pagedf10dab52244dee4c79c72e95c1638b190c967638663dbfbb78bcfcf9dbeeb29
Manifestc1b9633b9be70590d1a461c96e35acb5028922cc57c99dd3f524cbb87d375dda

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
Signaturea44N3d2Kbge0a+W8cDwA/f+ZSMwRAo5aV7CDNIC3nDyQjdcSgsHHURfFCRxV0R1DH23WNLgdSEYeOCwCv6MiAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:50.489228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061944
observed df10dab52244dee4c79c72e95c1638b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.462398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061944/manifest.json
observed c1b9633b9be70590d1a461c96e35acb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.440455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061944/publication.md
observed ae02e0b77b577f60e566800069c1bd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.419027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061944/publication.txt
observed b276e95e7b39bf6efaf534e029c48d76...
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.