OpenTechnical

OT-2026-000087238

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000087238) never changes.

Identity and time

Publication numberOT-2026-000087238 · never reused
Internal UUID01a0ae9a-9f2e-74d0-ba61-60e2381a3893 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087238
StatusPUBLIC

Content hashes

Canonical text38067eafe074cb7e3f78784652286d6cebe3428efbb36502627790f71c0ae085
Markdownf17fc02a8da114a767e254dc4dd69d703872d2361139815c4c4e44d009c3b66f
PDF
Publication page7998b3a5991729fbc9c96e66c1f9c7c76f6f9b5cd0e4ddddb1bad9a40502c65e
Manifest80248ba121aae6cc28d8b4591f356369b22323d9deac7e684ec8d09061bb37b3

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
SignatureDWTxcgbZoDN589EsylusJpMs11uWBj+UY+xCfRc5DP+A8C51yDQMJVkCPwFYcrNe+Tsre0SVCRLVQqRnyq2ZAw==
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

2026-09-17T09:51:32.456716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087238
observed 7998b3a5991729fbc9c96e66c1f9c7c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.439743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087238/manifest.json
observed 80248ba121aae6cc28d8b4591f356369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.420640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087238/publication.md
observed f17fc02a8da114a767e254dc4dd69d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.400897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087238/publication.txt
observed 38067eafe074cb7e3f78784652286d6c...
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.