OpenTechnical

OT-2026-000026600

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000026600) never changes.

Identity and time

Publication numberOT-2026-000026600 · never reused
Internal UUID01a0ae71-f4a9-7200-a164-f11b11e4ad1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026600
StatusPUBLIC

Content hashes

Canonical text19f41258f821f4dad2b6fd1473fed75db48fe1b363a77376eed39a0c1952b8b5
Markdownef755952771ac6ea6c8e14e58c3f0f25a00c5d868e567194ab8862c377853b8c
PDF
Publication page635946e60211b67855878002ec5812b3ef58bbc5510f3ff5f4a9f2d0e5a92b74
Manifest89d4b4567e16b4a59be0e7cb2f752983bda76a25559940c387679f3e08577ed5

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
Signaturem9K8Njx1H97NlUYM10R6ycyeVl/aMwxdgY3YegwIKGaGwNShmYWyW4CIp1PHVm0P5uE564BoyhIUwrgvVLU3AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:40.333108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026600
observed 635946e60211b67855878002ec5812b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.312682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026600/manifest.json
observed 89d4b4567e16b4a59be0e7cb2f752983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.290755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026600/publication.md
observed ef755952771ac6ea6c8e14e58c3f0f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.267613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026600/publication.txt
observed 19f41258f821f4dad2b6fd1473fed75d...
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.