OpenTechnical

OT-2026-000059761

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, vented 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-2026-000059761) never changes.

Identity and time

Publication numberOT-2026-000059761 · never reused
Internal UUID01a0ae89-ec25-78a1-9aa5-10e152fd62b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059761
StatusPUBLIC

Content hashes

Canonical text088b64c09cdb7d39635d95ddcc99138af673bd20b190fd690515b3931966ea1c
Markdown9bf6f7876081b15328ad40b6f59f4617051cb735ed79f3d2ec78c0a71d4c3b47
PDF
Publication page06f4b7fa8f8d42a32999c2dc7b3e3e558c8845ac975e1f28d9fb5b81f00b8ff4
Manifest3338adb82fbc1c70867c78b20c0f3f8dae1504ee4c38be0c06420e2e37865a4b

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
SignaturesauKFjiOyvqNSMrnVuHNGCuW1u7qT1ZM+SDP8ar4978ln7/5IelboEOnmQXPbb7Bf/0lAj30O7FMRd2lxRl2DQ==
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

2026-09-17T10:44:29.191505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059761
observed 06f4b7fa8f8d42a32999c2dc7b3e3e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.172793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059761/manifest.json
observed 3338adb82fbc1c70867c78b20c0f3f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.154874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059761/publication.md
observed 9bf6f7876081b15328ad40b6f59f4617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.135698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059761/publication.txt
observed 088b64c09cdb7d39635d95ddcc99138a...
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.