OpenTechnical

OT-2026-000080043

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000080043) never changes.

Identity and time

Publication numberOT-2026-000080043 · never reused
Internal UUID01a0ae96-4377-7d99-a52b-e3455de0a487 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080043
StatusPUBLIC

Content hashes

Canonical text5ecb8f67e7444cf75da6d21824435ae45b63be44be83dc560b676f2d79571305
Markdowne5c0929602bb2d8e92c36318bdb76242b8f3376ac6ad23b06cde357f402ee126
PDF
Publication page8ca6eaefb71afe165351ef7d8fbd9269ad9fb23b6e6bce5f6b319501b39fceaa
Manifest33b4a32e3052e3ffc8a3d02f695b719debc4a84eaaaccbc07cd250ea9beece3e

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
Signature0f97Xv188naxNkxG1VzeUsmGs+UsSXkBUDTfHIJl/cVJaqs5UpLtbxI8SwpzM5fbN8KHwPopQ6C2UVubBKw8AA==
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

2026-09-17T10:03:58.231095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080043
observed 8ca6eaefb71afe165351ef7d8fbd9269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.212608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080043/manifest.json
observed 33b4a32e3052e3ffc8a3d02f695b719d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.193750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080043/publication.md
observed e5c0929602bb2d8e92c36318bdb76242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.174674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080043/publication.txt
observed 5ecb8f67e7444cf75da6d21824435ae4...
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.