OpenTechnical

OT-2026-000101550

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pulsed 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-2026-000101550) never changes.

Identity and time

Publication numberOT-2026-000101550 · never reused
Internal UUID01a0aea4-0e15-7270-be85-0075c409c161 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101550
StatusPUBLIC

Content hashes

Canonical text50b857f85e25bf7eb97dc64ac6dde720e2f34bcf064c5880c4db7ff9efd0b571
Markdownc37cae33541f4ea48d90e4bb59e93010ce20b8be9c9b844892c87ddddad237cf
PDF
Publication page31154c685ff93422da50ac1faf4c38a2d7dd1a7538dd231516e7e55768d262fd
Manifest55d25978e42e13f63e002def1382c4a3644423d3002a8919b07000684ce0dc4f

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
Signaturekd4fi/CbwKnZfndsdFwXS36JYJYy2xUAHhNcAALpFe81KTPL8horYHK4ki2lrsUuTttfUWBMQhpSmusVW5ORCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:35.612429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101550
observed 31154c685ff93422da50ac1faf4c38a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:35.595090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101550/manifest.json
observed 55d25978e42e13f63e002def1382c4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:35.577375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101550/publication.md
observed c37cae33541f4ea48d90e4bb59e93010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:35.559368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101550/publication.txt
observed 50b857f85e25bf7eb97dc64ac6dde720...
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.