OpenTechnical

OT-2026-000067630

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000067630) never changes.

Identity and time

Publication numberOT-2026-000067630 · never reused
Internal UUID01a0ae8f-6bda-79ac-83c7-cccb3bf7f154 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067630
StatusPUBLIC

Content hashes

Canonical textaaa259bde722b8486fa5534dc3cf35a2d6385f48003ab04a6796b4799bfb4ea6
Markdown1ef06385164d132baa95d3856956d2842d6fb02aa05918e461da224733651cfa
PDF
Publication page4bbf3289a2cf82f622edb260cf757e3defbf38bfb4b0105e06c28c79f69752e3
Manifest00ea927f2507d9dd8f8010b9aa0b389cc0eba30f894ddd0f41c8e65e25fcb767

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
Signaturewd1oSp/6yqW8Jwaj1L3TRF2EdFa4U0PtgmSHV3wRzLf602FvpTlSpIfpTbgoRoxA1SawxsTZAi+68O1MC8iRBg==
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

2026-09-17T10:31:57.269615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067630
observed 4bbf3289a2cf82f622edb260cf757e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.251943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067630/manifest.json
observed 00ea927f2507d9dd8f8010b9aa0b389c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.232976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067630/publication.md
observed 1ef06385164d132baa95d3856956d284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.216119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067630/publication.txt
observed aaa259bde722b8486fa5534dc3cf35a2...
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.