OpenTechnical

OT-2026-000086992

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000086992) never changes.

Identity and time

Publication numberOT-2026-000086992 · never reused
Internal UUID01a0ae9a-80a5-76ac-9c13-dde7c71d6014 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086992
StatusPUBLIC

Content hashes

Canonical text35003b58180cffe96cab6db5e450d0eb0b781f89a82679a687dcf95a39c380a5
Markdown94ed4b253bf996c018d40271310468f135d7ea1979ea8b81611c9a0773a351ba
PDF
Publication page77faf01944f5225cf3fb99b9948bea070d44af2fbf5529cb5a8d1d56cac01a8f
Manifest69b6d6b03663810646017e53dc6d12bbdf205fd91df1a0331319c07e74083bca

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
Signature3PHlB6CZTFZc/niQLYx8iN4t8AtzYcyg6xIrmIrnGMuzmVS9e0L5wC2Ps6Hy4xJhpkqBoRfTEwIRvLc7mL/8BA==
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

2026-09-17T09:51:53.673770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086992
observed 77faf01944f5225cf3fb99b9948bea07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.657155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086992/manifest.json
observed 69b6d6b03663810646017e53dc6d12bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.639234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086992/publication.md
observed 94ed4b253bf996c018d40271310468f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.618978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086992/publication.txt
observed 35003b58180cffe96cab6db5e450d0eb...
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.