OpenTechnical

OT-2026-000087917

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000087917) never changes.

Identity and time

Publication numberOT-2026-000087917 · never reused
Internal UUID01a0ae9b-1aa5-7154-b0b0-04c6a4a8c0f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087917
StatusPUBLIC

Content hashes

Canonical textfccc0cb4e9356848c9b2d55b5cf5bed9a7ac8ef1d1682f89d6427cc4e0f7c8ef
Markdown896641c5bcd984661607b4636cd3791b6d45c4df53e74dd736b51200783cb2be
PDF
Publication pageb3ef59c095286722d79b3c552b9b68a68856503a2367a048df53c59d59d951ad
Manifestd3f5c8426b0b3304c0af0f6515c662adbb206ecd22e83814f11cbc4b82b8ed4a

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
SignatureYYgszHvyx4d6JqHnA4I7eT8I8Zieus7UwBmfi+7AEKr63T/0JjxoYFFS4Yx0D4+k9+OrERUVVGOry9I5mjUuDQ==
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

2026-09-17T09:49:12.213460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087917
observed b3ef59c095286722d79b3c552b9b68a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:12.194236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087917/manifest.json
observed d3f5c8426b0b3304c0af0f6515c662ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:12.174897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087917/publication.md
observed 896641c5bcd984661607b4636cd3791b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:12.155366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087917/publication.txt
observed fccc0cb4e9356848c9b2d55b5cf5bed9...
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.