OpenTechnical

OT-2026-000071919

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line 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-2026-000071919) never changes.

Identity and time

Publication numberOT-2026-000071919 · never reused
Internal UUID01a0ae92-47c0-7054-9932-8fb01b8ecc5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071919
StatusPUBLIC

Content hashes

Canonical text256e67a458d753f212619839cc8984326794a0f6980397f4746e71b0d5b60d5c
Markdownb0cb178253e8ea710f9a601906651de1063f5be984572164f40405c8edc902dc
PDF
Publication pageb7795a96ac8d9a88dff4f626953f7211dfb68652afab5b6b578aa676740e6a05
Manifest54ee1856719763cfcf22f95f110846026719e2a9ac3d4c710f30d4de811fbf33

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
Signatureq8HXlqrPrrrT7x6ZaKExlXwHpPqIq6Biw4k0zwR7BHmfBLZRdjg8LaMVgHYtkYq/m4ry4qJj25TYydp5+VhEDA==
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

2026-09-17T10:22:56.784434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071919
observed b7795a96ac8d9a88dff4f626953f7211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.764981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071919/manifest.json
observed 54ee1856719763cfcf22f95f11084602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.744443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071919/publication.md
observed b0cb178253e8ea710f9a601906651de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.725247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071919/publication.txt
observed 256e67a458d753f212619839cc898432...
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.