OpenTechnical

OT-2026-000086681

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000086681) never changes.

Identity and time

Publication numberOT-2026-000086681 · never reused
Internal UUID01a0ae9a-2c99-7c5b-ae08-da947e0805e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086681
StatusPUBLIC

Content hashes

Canonical text39e48fc1bf0b70b07978613284a1b8bd0810a3f64f4bd5a21acb58f21cadae76
Markdown3557351687555c366ebd0f8c89375aceddb1b48311893efa7b5079956bcf4dae
PDF
Publication page673557988a5bad06b39d3e06b31ebf4bc3796095ef0c1fc1bdd08e9028a8aa95
Manifest78422d641d815bef9a61086301c6aab21db8bb5e34171b32fba308bb12e4e280

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
SignaturerNdaqwAbiXLOgCvAFzOUI/O0aXKUhOFPrjJLZ32Ul6lFv9QG6KR9mOhrUxjxVXXVJMLwoEenFLDvoSmUL5U8AQ==
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

2026-09-17T09:52:32.848176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086681
observed 673557988a5bad06b39d3e06b31ebf4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.828868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086681/manifest.json
observed 78422d641d815bef9a61086301c6aab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.809981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086681/publication.md
observed 3557351687555c366ebd0f8c89375ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.792583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086681/publication.txt
observed 39e48fc1bf0b70b07978613284a1b8bd...
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.