OpenTechnical

OT-2026-000086548

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000086548) never changes.

Identity and time

Publication numberOT-2026-000086548 · never reused
Internal UUID01a0ae9a-2c98-79f7-a6f9-746844112235 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086548
StatusPUBLIC

Content hashes

Canonical textba3241fba66ceaae06d017c714d59d1e5bfa1876e453926cadb7055afc89f281
Markdownc3e2642ed6dae901603e64a1ae09db0f120db0ed9e9117235ba85b9d655f21b3
PDF
Publication page334a477d9ca334424946109084f15b91c466a386b71d36605acbd140d67c01c8
Manifesta9d57bbcfc05d37fda084f7590b555b702894eb4311c80177b1e89c46aed10ae

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
SignatureWtXDFQyhR8Jo2eTvC98oSHzETLqkWPPB+OL6LW3B0gt4Ea39qSgxJlTYE19rZQSDZE8KEuE/EtvyLzjrTRQPBQ==
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

2026-09-17T09:52:22.604634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086548
observed 334a477d9ca334424946109084f15b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.585923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086548/manifest.json
observed a9d57bbcfc05d37fda084f7590b555b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.569218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086548/publication.md
observed c3e2642ed6dae901603e64a1ae09db0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.551042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086548/publication.txt
observed ba3241fba66ceaae06d017c714d59d1e...
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.