OpenTechnical

OT-2026-000086149

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000086149) never changes.

Identity and time

Publication numberOT-2026-000086149 · never reused
Internal UUID01a0ae99-e82c-7eb7-9715-1ff6bdc15073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086149
StatusPUBLIC

Content hashes

Canonical text9fb4fcc9b67b8ca9e6aac9892704916ecf3e706a04ba67bc1e085cce173f1f2a
Markdown84dff03507a4e3d9e3590253534980ecbe35596237fa6694dc0703a41dbcd87e
PDF
Publication page42426d360403519c3ad593e68471450b28c7023a450c302bebae562181da8cd6
Manifest17dde16c6e914e3019191344d0f4b294482d04764394b770bad633678909484b

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
SignatureytPvvEiPiN7HwHrSXw7zz/3OvmKC7XXJk1qOErS0T2hr1HnQyxroH3f1gPlgOMXz5UEyLuiDc+WgXzqIx75oBg==
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

2026-09-17T09:53:49.017970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086149
observed 42426d360403519c3ad593e68471450b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.999383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086149/manifest.json
observed 17dde16c6e914e3019191344d0f4b294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.979918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086149/publication.md
observed 84dff03507a4e3d9e3590253534980ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.960357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086149/publication.txt
observed 9fb4fcc9b67b8ca9e6aac9892704916e...
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.