OpenTechnical

OT-2026-000078902

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000078902) never changes.

Identity and time

Publication numberOT-2026-000078902 · never reused
Internal UUID01a0ae95-ccbd-71df-8cc0-bba3c1915db5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078902
StatusPUBLIC

Content hashes

Canonical text3ac3576b18143a0af618cd9b5d62d1e7c2161efe5efa86e3836309ae2c72d9b5
Markdowncf260ed85e4194b27e03e0a3c2f0e31a3e4e06f93e9a88e2a6c6798a4a539a24
PDF
Publication pagee0a99ac5837b7611058c24bbad73815107622bb0d5c436ad1209aec11a711703
Manifestb16a8ea7dc7ea9876c05a6c700894075a7576564eff96e77b3cac62424826524

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
Signature5Ef/nByrq2TqqI7YTBd53x/zerA/qGv4sz2TimCM8CkrPXj0eYMMsdR4bksl98PYHtN5vY93iMDe1PJE744gCQ==
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

2026-09-17T10:05:42.845487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078902
observed e0a99ac5837b7611058c24bbad738151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.825886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078902/manifest.json
observed b16a8ea7dc7ea9876c05a6c700894075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.808426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078902/publication.md
observed cf260ed85e4194b27e03e0a3c2f0e31a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.789218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078902/publication.txt
observed 3ac3576b18143a0af618cd9b5d62d1e7...
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.