OpenTechnical

OT-2026-000041562

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000041562) never changes.

Identity and time

Publication numberOT-2026-000041562 · never reused
Internal UUID01a0ae79-e89f-7636-baf2-9a4fb5e4fdbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041562
StatusPUBLIC

Content hashes

Canonical text22b743ecb074ab514e4baffd27cbe952e45e5ad8763a2baaab039f39c4b4f744
Markdownda7afdc2d73860a8ada8275644d603e68cb2d4bd18dd5f5d6bab4ff634c71550
PDF
Publication paged211ee839b13d0caa05de9f19fab9879fc1cbd0734d0da90d6e9b99fae9b75a1
Manifestbf36e97a7655a31042924d1877142cfde8c607d6da8561ecfb21be0619e084c1

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
SignatureXKTpDgw3FORlDYMX9MLmZkPtIdM9t4EUy+bRwIQ67ozrtS6+237ssfJxwgbidCixdhTy9Ck8Vd2lR0b9CXoqAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:20.568685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041562
observed d211ee839b13d0caa05de9f19fab9879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.550165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041562/manifest.json
observed bf36e97a7655a31042924d1877142cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.529343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041562/publication.md
observed da7afdc2d73860a8ada8275644d603e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.512371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041562/publication.txt
observed 22b743ecb074ab514e4baffd27cbe952...
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.