OpenTechnical

OT-2026-000064560

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000064560) never changes.

Identity and time

Publication numberOT-2026-000064560 · never reused
Internal UUID01a0ae8d-a462-7b87-b4fe-33361fae2118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064560
StatusPUBLIC

Content hashes

Canonical text1e47ce7758b00f5e131fd879b0a1cb95a2076cca533c02960d07f19febddf98a
Markdown4b7810b3b25968e1ba67997ba690e82f47245e0a1435a5875060743c3861f6ed
PDF
Publication page8e344fa08bfb1f8ddcbc0ff0f531128fdf510eaa5f84724e3fbb925b908f0bb0
Manifest95e11c3bd62c49516e48fb35d3c52abd0b8ffd6316839c28bfdf33244f467e24

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
SignatureDMNXvcSJaCI4r1/kwROaDXpXRCJmewTky1SGuQj0k7YEIy6CrfWRWRTx3PAjeyZ8tqwp2fQVEnNEo2t8q891AA==
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

2026-09-17T10:36:46.910400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064560
observed 8e344fa08bfb1f8ddcbc0ff0f531128f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.892970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064560/manifest.json
observed 95e11c3bd62c49516e48fb35d3c52abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.876216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064560/publication.md
observed 4b7810b3b25968e1ba67997ba690e82f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.857686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064560/publication.txt
observed 1e47ce7758b00f5e131fd879b0a1cb95...
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.