OpenTechnical

OT-2026-000061994

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000061994) never changes.

Identity and time

Publication numberOT-2026-000061994 · never reused
Internal UUID01a0ae8b-b8ae-7ac3-b2b1-3cb342d92ca6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061994
StatusPUBLIC

Content hashes

Canonical texte1cc5764a261ca0c4ed38ec4fe54c8604695dc352af73d301329b1340ddbcfae
Markdownd7c65b36ab0bbe74a520bf27cd80d4d640a508d03cd06126ee5641b7d6a61a18
PDF
Publication pageb474607e1f00680d56c318e9d0b806a7ae7f934c506d245662d2514d9c143a8a
Manifest332ea339f18bf376088f65d70700cbc7b2772597803933c477ddc0f209e377b4

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
SignatureMpCr8TgbZWFIZhNlsNMmLYTZfOEGyJugXkvAX9dOiNKY8sOTb9c62o2qJWSw0Sgoja3/wYPWAfICqC+z6eWoDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:55.550068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061994
observed b474607e1f00680d56c318e9d0b806a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.528146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061994/manifest.json
observed 332ea339f18bf376088f65d70700cbc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.506582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061994/publication.md
observed d7c65b36ab0bbe74a520bf27cd80d4d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.486698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061994/publication.txt
observed e1cc5764a261ca0c4ed38ec4fe54c860...
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.