OpenTechnical

OT-2026-000025268

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000025268) never changes.

Identity and time

Publication numberOT-2026-000025268 · never reused
Internal UUID01a0ae71-5fa6-7149-b6cd-9ba87940f1f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025268
StatusPUBLIC

Content hashes

Canonical textafc2d9e3517f0b576eeacca2a1239b27bfa172df90823bad19b0bccee66296fd
Markdownb043715e2fc0c55a45d62ba97dc08ff8dec7f6326797f6a2f8cea3a5013e9a47
PDF
Publication pageadeb02cec6509ae4352051121fb9604f8223258063902f2c23ff939446871dd5
Manifest71eb518560010e20df4c1b11b9906c7d6f3ee0f69b0b3a27b489e66865be6fc8

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
Signature8+qYEVKwmxIUH0xezME/zxyjFTFP82jKQ+FSuVUuahDEWIItE/xJB6F68/iCd34zK4Spy4r+n6xlrnKUDq5yDQ==
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

2026-09-17T11:47:16.647912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025268
observed adeb02cec6509ae4352051121fb9604f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.629811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025268/manifest.json
observed 71eb518560010e20df4c1b11b9906c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.603963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025268/publication.md
observed b043715e2fc0c55a45d62ba97dc08ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.586217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025268/publication.txt
observed afc2d9e3517f0b576eeacca2a1239b27...
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.