OpenTechnical

OT-2026-000086118

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000086118) never changes.

Identity and time

Publication numberOT-2026-000086118 · never reused
Internal UUID01a0ae99-e82b-7bf1-9f4e-bec5b67e6ecc · 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-2026-000086118
StatusPUBLIC

Content hashes

Canonical textab64eb0d957b6352bac7f2590f80cacc832cdc46d62e47e96e76da9ee2a845a5
Markdown1d995eadbef9794cf360e9de900e0a9cc568fa343cb9cb36b33a8939829ec7d5
PDF
Publication page08ee3e276b75e1641f3789bcffc1304e818e8969a2e3f8dbc2b1b00de3cb94a5
Manifest4d1c781f2ec26171e5e1d2fcd00ca2fc4983c671550d4fa7badd055f2ea85e3e

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
Signature0TG/IM16RL0/GhfpaicU/9h8XtZgIVKIG0o6crf5EC8bWMOXislKKugCQEFxegu/ZeEbrdDt9c8+CSa2nSfZDQ==
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

2026-09-17T09:53:46.467068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086118
observed 08ee3e276b75e1641f3789bcffc1304e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.447025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086118/manifest.json
observed 4d1c781f2ec26171e5e1d2fcd00ca2fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.428444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086118/publication.md
observed 1d995eadbef9794cf360e9de900e0a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.410346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086118/publication.txt
observed ab64eb0d957b6352bac7f2590f80cacc...
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.