OpenTechnical

OT-2026-000087308

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000087308) never changes.

Identity and time

Publication numberOT-2026-000087308 · never reused
Internal UUID01a0ae9a-cd4e-7d4f-b37c-8394ac32a73d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087308
StatusPUBLIC

Content hashes

Canonical text66445893dda84b059ebb24f278721153c3403874b4a41a05355f6ba5d887680c
Markdowne800add958903c087f0cf7dada71044f1c575f22656911fc007947331f3a73f0
PDF
Publication page8d3c07d192ec9ee94b1bee33cfeb018a7bd6cb4db4560a8435cb90ab65b021da
Manifest5c6e98b7d23dcafcc3afe8aa2d5a5e8b4ab64dfd1f84f71c94b3141e41cf14aa

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
Signaturegngh579Yap/uaUVp+RNcJk6A1JKh3sQoAuffP/V1TmPHbIvGLZxNEc1OyzIaOaUGNroXw8EZ6weD39vreUHVCA==
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

2026-09-17T09:50:28.099051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087308
observed 8d3c07d192ec9ee94b1bee33cfeb018a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.085318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087308
observed 8d3c07d192ec9ee94b1bee33cfeb018a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.081998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087308/manifest.json
observed 5c6e98b7d23dcafcc3afe8aa2d5a5e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.069436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087308/manifest.json
observed 5c6e98b7d23dcafcc3afe8aa2d5a5e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.065432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087308/publication.md
observed e800add958903c087f0cf7dada71044f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.051936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087308/publication.md
observed e800add958903c087f0cf7dada71044f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.048156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087308/publication.txt
observed 66445893dda84b059ebb24f278721153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:28.034770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087308/publication.txt
observed 66445893dda84b059ebb24f278721153...
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.