OpenTechnical

OT-2026-000081871

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000081871) never changes.

Identity and time

Publication numberOT-2026-000081871 · never reused
Internal UUID01a0ae97-0f75-7b7a-a9e4-e1f4316ea5fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081871
StatusPUBLIC

Content hashes

Canonical textfd745e59d6c516e64a6085e9db0cbf22ac90f2b173dd3b102d7e735bf5b5ae0d
Markdown2d0e9665dd172aad5e3cfcc1c2ca56e1c2a55a00373c3e9d14bbe2c92f4c7228
PDF
Publication pagefd305fe59e4fe619f651cf4e272d75ee00664468b609f922dbb607a1a59df460
Manifested24d30a4ccd0fd48db14a637f14b980e29808e39981a77ab2d2630cb31f30b5

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
SignatureVVM8pjMe/ArqvK5SxKZ5MldQFZWvGHgasueSNx0va/IHLS9asDoHwPJkg9JVrwYslcQ+2sTPdqf0l6xKTuLJBw==
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

2026-09-17T10:00:59.336436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081871
observed fd305fe59e4fe619f651cf4e272d75ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.319439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081871/manifest.json
observed ed24d30a4ccd0fd48db14a637f14b980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.302227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081871/publication.md
observed 2d0e9665dd172aad5e3cfcc1c2ca56e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.284487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081871/publication.txt
observed fd745e59d6c516e64a6085e9db0cbf22...
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.