OpenTechnical

OT-2026-000080249

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000080249) never changes.

Identity and time

Publication numberOT-2026-000080249 · never reused
Internal UUID01a0ae96-7e77-7434-ba23-f09b43b04e5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080249
StatusPUBLIC

Content hashes

Canonical text8eed0e5e78a6aad8309ae24cb938c45691ea210fa5b5f5cfb157ee2dd5fdca0f
Markdown222002da668146865f5f55923bf4244f33a072906e1be6757bae08bd3ad437a3
PDF
Publication page1a2ace8c70cbba0ad1ba3528d2e26406fdc12bf59376da7bf9e22d75680a4080
Manifest1a565a92401505b9af07c0362a42517612b011b1b93c9d94263b5c711c8f4055

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
SignatureqXIWjO77m/xsE2eWLI5x8e8519He22/jOEegrIVxUtRj6iZ+9bB4SX18LeEX7MnY2WUHIomu0PVSFCdoBhkKCw==
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

2026-09-17T10:02:42.573110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080249
observed 1a2ace8c70cbba0ad1ba3528d2e26406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.556328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080249/manifest.json
observed 1a565a92401505b9af07c0362a425176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.539476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080249/publication.md
observed 222002da668146865f5f55923bf4244f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.522112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080249/publication.txt
observed 8eed0e5e78a6aad8309ae24cb938c456...
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.