OpenTechnical

OT-2026-000089314

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089314) never changes.

Identity and time

Publication numberOT-2026-000089314 · never reused
Internal UUID01a0ae9b-db01-7bad-bf7d-43f5fc650b66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089314
StatusPUBLIC

Content hashes

Canonical text2f1ca3713159380690bbdfd4c0eda6ce423f2c17fbf88f23220c5f907a030f9f
Markdown92ba2688a777e66c5082f14435c1bc834cadf2e100a90a1a18bcb871b5bd6713
PDF
Publication page27d5f6c2f95ab0629f79096a111e2aa4bcdcbfa1c0d00b0a8e0e1dcdb96ef205
Manifest6419576fd56ac5ec2cd0ec10e5f15a714309576fa57105e074cff3b4537640f6

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
SignatureB+au6ecUvkxpdF8ZB8ezOhGGaoZwCfmWM6Oo80UtlmQb8VmK8EfKv7eIqKkeCuBKZsL0SUa8oLO6GVJGDINiDg==
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

2026-09-17T09:47:21.876610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089314
observed 27d5f6c2f95ab0629f79096a111e2aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.860153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089314/manifest.json
observed 6419576fd56ac5ec2cd0ec10e5f15a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.843936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089314/publication.md
observed 92ba2688a777e66c5082f14435c1bc83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:21.825492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089314/publication.txt
observed 2f1ca3713159380690bbdfd4c0eda6ce...
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.