OpenTechnical

OT-2026-000086073

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000086073) never changes.

Identity and time

Publication numberOT-2026-000086073 · never reused
Internal UUID01a0ae99-e82b-7edf-8ca0-493bb84f906c · 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-2026-000086073
StatusPUBLIC

Content hashes

Canonical textb7d0dd8f36354788e9413a9762dab20a5ba5b8d0a0dd948c70fb11e19916baf7
Markdown78d6fc1cea9f93546a28b6447e2ed4c532f1c1c1019df27ed274b4ffe4e2f0b4
PDF
Publication page05777ffce400d632d7b2eb537c8a6f820c803af659350e050668385426f264e1
Manifest6194a6d4a76877b9a91de4b54811078855d2ec4334f95f24b2ffb93a48adfa18

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
SignaturedtPnKxEnu/Pc976K02h7mWOxZnS9VJKg+xfKvHt9J6LPcvwYv3UgvNYinK201+H4CI3ikyzmhZ6FBENbwDigDw==
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

2026-09-17T09:53:42.718068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086073
observed 05777ffce400d632d7b2eb537c8a6f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:42.699789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086073/manifest.json
observed 6194a6d4a76877b9a91de4b548110788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:42.681910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086073/publication.md
observed 78d6fc1cea9f93546a28b6447e2ed4c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:42.661882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086073/publication.txt
observed b7d0dd8f36354788e9413a9762dab20a...
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.