OpenTechnical

OT-2026-000080814

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000080814) never changes.

Identity and time

Publication numberOT-2026-000080814 · never reused
Internal UUID01a0ae96-b974-76eb-8b89-8e3bebb1e69c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080814
StatusPUBLIC

Content hashes

Canonical textc5bff4d3f83cc865f4a74f04d2d4b154b20ff58e888d554b34985ab1dbb18500
Markdownc4fabe83df6dca27271f9b257a3decc55d757bb1f471369d29b47b7041ba166c
PDF
Publication page44693c1fec7ad3cd921dc0a2a54065605d944592c484b8fa4deeb75c9754e04b
Manifestd1919fdcc3f7267ce56e5affc0e2957f4a84f002ae1f8213c65d68d2499bc60e

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
SignatureqQLgr2rkiDxx1CjSTKTkFRDfHcN1AzQYhQEg2pMLZ4jk7d2IZbtAe05JhRE9enVVinsCdne6wHD42T6/DV8qBw==
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

2026-09-17T10:01:59.783120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080814
observed 44693c1fec7ad3cd921dc0a2a5406560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.767467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080814/manifest.json
observed d1919fdcc3f7267ce56e5affc0e2957f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.750558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080814/publication.md
observed c4fabe83df6dca27271f9b257a3decc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.708711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080814/publication.txt
observed c5bff4d3f83cc865f4a74f04d2d4b154...
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.