OpenTechnical

OT-2026-000061916

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000061916) never changes.

Identity and time

Publication numberOT-2026-000061916 · never reused
Internal UUID01a0ae8b-b8ad-75dc-acfa-29ee12bbf90f · 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-2026-000061916
StatusPUBLIC

Content hashes

Canonical textacd9a03544e1c296899e23808cdd4f0c390b6e8a3d63fd5094e6e82155956907
Markdownab32b8626f657ff848194e8f4ca8cb314ba71dc264a1017e40dfca8a7f92d183
PDF
Publication page80b251681f8c8a92866e371ddb68179087a4977d4555306e22478c946c539546
Manifest085a0591a9ba82539d44c06b740e8de96d739d543475e24843e6571dc6d7b07d

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
Signature7v8Ing+8WEPAPImMYLV9rjj5h8rlqXJ4jMHNFUD/0K1iQilK4NQCOrfc09IH4iRLnKnkZJwkNwLVEzlBlisYBQ==
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

2026-09-17T10:40:47.857833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061916
observed 80b251681f8c8a92866e371ddb681790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.838679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061916/manifest.json
observed 085a0591a9ba82539d44c06b740e8de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.818136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061916/publication.md
observed ab32b8626f657ff848194e8f4ca8cb31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.796280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061916/publication.txt
observed acd9a03544e1c296899e23808cdd4f0c...
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.