OpenTechnical

OT-2026-000082021

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000082021) never changes.

Identity and time

Publication numberOT-2026-000082021 · never reused
Internal UUID01a0ae97-4d92-7c61-afda-2761caf9a8a4 · 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-2026-000082021
StatusPUBLIC

Content hashes

Canonical textc903f8143d3b6b130d72ef02614b0a181743d533f1ef80a5d0efb0a4142f371a
Markdown87b093b003f0e79b14614a4d894a10d89f8ec107d7e49f26d2dbbd56e5b602f3
PDF
Publication page2494d6c1c336648406812a061ac40f959c995c6dc4e09ceee55af3eccc7ad654
Manifest930a7dfc2cc6b958cc8057bafe736eac1d60e9f3b6d922989d5d4ebb55aa33e8

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
Signatureb5sb+1Cv6GnKQAPgnA7vACEgaCuODuPyXsk+YSP9RFad7PgavenAuPO7/fn/AuScfzGSQFXEj2XVzWJePNpEBQ==
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

2026-09-17T09:58:44.260891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082021
observed 2494d6c1c336648406812a061ac40f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:44.244349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082021/manifest.json
observed 930a7dfc2cc6b958cc8057bafe736eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:44.223982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082021/publication.md
observed 87b093b003f0e79b14614a4d894a10d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:44.174057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082021/publication.txt
observed c903f8143d3b6b130d72ef02614b0a18...
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.