OpenTechnical

OT-2026-000026627

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pulsed 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-2026-000026627) never changes.

Identity and time

Publication numberOT-2026-000026627 · never reused
Internal UUID01a0ae71-f4aa-7bfb-8ea8-1be50a41facb · 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-2026-000026627
StatusPUBLIC

Content hashes

Canonical textd4436ed9276f66a8e163a662aac9d8ba8ae7ab53bf0600c3752e5aa289b47c47
Markdown97ab12c6c5a87525c9c98188756ad86332a147aa9e241a0617d5a4e076a52646
PDF
Publication pagea54eb4df7a60d535fbce7f3104f6274be6dca5f4eaf2674b8678aad4ef91827c
Manifest60aec49c48d0c8c7540454a8bdab60916670cd6f54905dc6a432d0ae0fb165f9

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
SignatureZ4NXZhkX+W4zsnapoKVaiZhK8mVef5lJhUV9yQUkg/alNtxGYh5HeqqSUSyZ1iIUdTcdxkbASrY4eW1gAGVaCA==
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

2026-09-17T11:45:42.125533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026627
observed a54eb4df7a60d535fbce7f3104f6274b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.104811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026627/manifest.json
observed 60aec49c48d0c8c7540454a8bdab6091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.084521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026627/publication.md
observed 97ab12c6c5a87525c9c98188756ad863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.059185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026627/publication.txt
observed d4436ed9276f66a8e163a662aac9d8ba...
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.