OpenTechnical

OT-2026-000082401

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000082401) never changes.

Identity and time

Publication numberOT-2026-000082401 · never reused
Internal UUID01a0ae97-4d96-7836-91f9-bd3e1aec3117 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082401
StatusPUBLIC

Content hashes

Canonical text63a59bfe3da8619c9f8b26dc2512730fb8a5a53fb83de7762fd2f615bb825b01
Markdowna03bb2703344f66d902bde5cf0088d2e7dc964fe45277f8f31b564f58734002e
PDF
Publication pageba43919465594d4d35fa2b2513d6e8646df2d49314c4f2428693419a0f6d4b10
Manifestf28cb77bbf5a96a731553609f6c34187519d2409387073a835cd4f62ef50c0dc

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
SignatureO9ES857IsMdtNKMOXvTUw1OsFgSZAAMDAkQGpph3HvSyjbwoBiC+0yf40hLdmKvQo/MgbqWmnAoIk/6i7SH4CQ==
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

2026-09-17T09:59:17.085579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082401
observed ba43919465594d4d35fa2b2513d6e864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.068613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082401/manifest.json
observed f28cb77bbf5a96a731553609f6c34187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.050320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082401/publication.md
observed a03bb2703344f66d902bde5cf0088d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.032722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082401/publication.txt
observed 63a59bfe3da8619c9f8b26dc2512730f...
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.