OpenTechnical

OT-2026-000098897

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000098897) never changes.

Identity and time

Publication numberOT-2026-000098897 · never reused
Internal UUID01a0aea2-8286-79cd-b212-94d4d856c235 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098897
StatusPUBLIC

Content hashes

Canonical texte630b1d0eaba86a2705e116f9c01f80a284bd3857c5373db54514b112ceb40b2
Markdown671ea9243b1b82db1ed902e6ccf92d990ef20ffe66812cabe4c007382633cb8f
PDF
Publication page8660f7d0531bb1038d5e6b548133542c64df89bdcd7c9202cde5f5e113ca51bc
Manifest08b7f92b6233088501843111c794b5ea9cc62e1d3958061baf80b9a9f43ba827

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
SignaturevfIJN/9G6R0j09h1Zo4dTeeUGQhIrhH22EeqL0XP6aALDNnf5D+evVjel72JauNrikiKt7ntYhIaRhBppM3IAg==
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

2026-09-17T09:29:57.213029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098897
observed 8660f7d0531bb1038d5e6b548133542c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.196338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098897/manifest.json
observed 08b7f92b6233088501843111c794b5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.179569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098897/publication.md
observed 671ea9243b1b82db1ed902e6ccf92d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.163016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098897/publication.txt
observed e630b1d0eaba86a2705e116f9c01f80a...
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.