OpenTechnical

OT-2026-000052338

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, vented 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-2026-000052338) never changes.

Identity and time

Publication numberOT-2026-000052338 · never reused
Internal UUID01a0ae83-e792-784a-bb6d-a0616d4fb5b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052338
StatusPUBLIC

Content hashes

Canonical texte4f1b150fdba31b9858c1a5793b052356c2ab634a8af87c231294cdcd8ddb467
Markdown954d506ad02dad562258d8d2655193b030baa4a2103763593f0c1aaea8411a93
PDF
Publication page5ffd282ea532871b2c7045ceae5e6534cec8936828e6bccf6b36100d459b2ddd
Manifest1d77450de9859319e40eb0954b440746d5dbf160c0f6616e22262dd7aeac5954

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
SignatureFZt/IMefJ8jyrl58ybFUERwdyNeiyOf7taGx4vneAcA0z75OmrRJkIN6U/AWRXq9/7W4Hm0cM3NgzDsFReqoAg==
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

2026-09-17T10:58:01.835700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052338
observed 5ffd282ea532871b2c7045ceae5e6534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.815553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052338/manifest.json
observed 1d77450de9859319e40eb0954b440746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.796779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052338/publication.md
observed 954d506ad02dad562258d8d2655193b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.780003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052338/publication.txt
observed e4f1b150fdba31b9858c1a5793b05235...
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.