OpenTechnical

OT-2026-000057737

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000057737) never changes.

Identity and time

Publication numberOT-2026-000057737 · never reused
Internal UUID01a0ae88-2695-7ae0-b896-11cb94b4ce31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057737
StatusPUBLIC

Content hashes

Canonical text5796697b15f41ba559835380a74b7f6e8cc8fce9f200c0e8e02b63083f2e7ce1
Markdown4bf0c36584ce79c6c36364f79487f3bf75766f5c90acbd5362bc9013ec6d305d
PDF
Publication pagece61aeec9ae79c2fb4ae08f60eaef539118221b025bc46c7e227eab75adc6562
Manifest88c75d55f60e3c6e8cb2f9522eb3c4e23fb500f7d8c191f4d39b4e88330571c1

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
Signatureb2k0pILndRqx//KJ1C4PCodgryndZ1lAmggtStU/1nUvrFx+ZJQZrFy6BQsp5b2JTnEmizVTXhJvt5orclACBw==
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

2026-09-17T10:48:24.740550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057737
observed ce61aeec9ae79c2fb4ae08f60eaef539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.723849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057737/manifest.json
observed 88c75d55f60e3c6e8cb2f9522eb3c4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.705039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057737/publication.md
observed 4bf0c36584ce79c6c36364f79487f3bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.687495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057737/publication.txt
observed 5796697b15f41ba559835380a74b7f6e...
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.