OpenTechnical

OT-2026-000052496

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000052496) never changes.

Identity and time

Publication numberOT-2026-000052496 · never reused
Internal UUID01a0ae84-573a-7648-98cc-cab68f1fa298 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052496
StatusPUBLIC

Content hashes

Canonical textfb06f38c59523c83a741628816e360bce18b8cf0a8085f7f9aa37062b5773606
Markdown9d2e8188d203a30842f6f007bd29057aec83bf87e0d78b347e9cd382b405ba2b
PDF
Publication page8165f341a96b7add13b7644342a050ce41bf95f95420cd84a9abc10c329afe74
Manifest50396f2740c4a4e2f65055b33db3a6ced8a49dc8b019b892774b53d4a0fe6e1a

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
Signatureo01Itxvt4S/uq1z2hRO3te4B3nkBKULCkFCQAsckUatu8v9AmGPSLmXcNF7LIl6JK/iEU//kCj/o1odxrW9YDg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:07.954091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052496
observed 8165f341a96b7add13b7644342a050ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:07.935090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052496/manifest.json
observed 50396f2740c4a4e2f65055b33db3a6ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:07.916322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052496/publication.md
observed 9d2e8188d203a30842f6f007bd29057a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:07.899194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052496/publication.txt
observed fb06f38c59523c83a741628816e360bc...
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.