OpenTechnical

OT-2026-000025115

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000025115) never changes.

Identity and time

Publication numberOT-2026-000025115 · never reused
Internal UUID01a0ae71-5fa5-7eaa-8a67-bd4113da343a · 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-2026-000025115
StatusPUBLIC

Content hashes

Canonical textc0679f08af345ed862a3c79d5b4914523f0c2681360749e58066404f412b1a46
Markdownc21197532f449be37dfbe8851f82cae69d4095eff12a0e04be279d954b44fb1a
PDF
Publication page3b18326ef549461347c5c65610b68210f5c94329964f237d2d1a0b7c0b3b699b
Manifestb1b68382423005b83f6fc268b27294a5d05cff673d7c63bfe30c94af69328bae

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
SignatureTMKMSi4AWt48TiLWWKf+/UOtQN9DFGPJvfm4hJ1es70Lh7PuFdTqS9VofsiYy0fDX8mem6bozYfjA/tfZNa9Cw==
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

2026-09-17T11:46:59.412670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025115
observed 3b18326ef549461347c5c65610b68210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.395301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025115/manifest.json
observed b1b68382423005b83f6fc268b27294a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.378533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025115/publication.md
observed c21197532f449be37dfbe8851f82cae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:59.359496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025115/publication.txt
observed c0679f08af345ed862a3c79d5b491452...
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.