OpenTechnical

OT-2026-000039944

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000039944) never changes.

Identity and time

Publication numberOT-2026-000039944 · never reused
Internal UUID01a0ae78-d8d7-72c8-b0ec-87a3d6ae0447 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039944
StatusPUBLIC

Content hashes

Canonical text3d951c8b36035eb6ce7187c4acfd78e4a9d982f62d854820e638b33a32120bec
Markdown096ac777ce7f5d3f46aaf4f77c6f9c580f42c8befc9ab05b02e80d9f13a0975a
PDF
Publication pagea7e61998a445cdc3073567153565e7d488cd362c896c8962a06962f2669aac31
Manifest7750bf01e669cb4294cffbd8ff0049e4a3c29e7f219716118609ca0b44a7a65c

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
SignatureM7u4THW1+amMgNHkY4UbNkmf3Bf39SMq2GUsPANGgXojHO8evKnk31v+8i+4wXqoTAhRWvaSXjaH4sPcsVRqBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:14.857529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039944
observed a7e61998a445cdc3073567153565e7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.838698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039944/manifest.json
observed 7750bf01e669cb4294cffbd8ff0049e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.818878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039944/publication.md
observed 096ac777ce7f5d3f46aaf4f77c6f9c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.800975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039944/publication.txt
observed 3d951c8b36035eb6ce7187c4acfd78e4...
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.