OpenTechnical

OT-2026-000008143

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000008143) never changes.

Identity and time

Publication numberOT-2026-000008143 · never reused
Internal UUID01a0ae6a-908c-759d-b841-48fd5ad56e14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008143
StatusPUBLIC

Content hashes

Canonical text3462d844f9964d21118ce75eb66c79934bba62b1369627250c93716b8e0f8dda
Markdown35aaffceb08fa4cb05535479bdfdc7fabd8ebc668108bf9fb054807eeb9f1b9e
PDF
Publication page8e67a24857b7e80fa2840462fe9963743f7fbeaf09b5800b193b76db9963faae
Manifest6d49155c65cdb92dae8b55c2f86fb4796af3598fa4659a8e64ae8ec371d14ec8

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
SignaturezQG1wzw/uEvXBwSa8MMGjrExa/2xRkgj58kzXnUy0LjtEdbAphL3Kw6hFRlTXIDdUuY9nLh94YRX1uowQ5WPBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:28.258948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008143
observed 8e67a24857b7e80fa2840462fe996374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.238383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008143/manifest.json
observed 6d49155c65cdb92dae8b55c2f86fb479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.219581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008143/publication.md
observed 35aaffceb08fa4cb05535479bdfdc7fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.199930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008143/publication.txt
observed 3462d844f9964d21118ce75eb66c7993...
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.