OpenTechnical

OT-2026-000008247

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, vented 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-2026-000008247) never changes.

Identity and time

Publication numberOT-2026-000008247 · never reused
Internal UUID01a0ae6a-908e-7ca1-a7ff-1ad09ac54808 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008247
StatusPUBLIC

Content hashes

Canonical textdb6078f8780ef796705102c0585635c8431d33e6759483e692963bc13f05829f
Markdowndb0e5b7790b704a47cd93eff44dd72f38620e6707c585cbd1a22fc2e72f0355e
PDF
Publication page8b1726e35f486026d9248865f2d49e569c5352246ea987a20b2f5285473200ad
Manifest1943e2633bc4bace2f9e99a095001d57e6cc62bb5c672693c7ec53f549e88bd1

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
SignatureAYio1kTiBcLSs0ceU6SVK7v8yUbY2UYgi6jIxgbLEeGp1f2CdVRDLn4onHjkqK1bw1K2yxsntgR+6+V+s93UAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:37.536721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008247
observed 8b1726e35f486026d9248865f2d49e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.512973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008247/manifest.json
observed 1943e2633bc4bace2f9e99a095001d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.494596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008247/publication.md
observed db0e5b7790b704a47cd93eff44dd72f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.469211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008247/publication.txt
observed db6078f8780ef796705102c0585635c8...
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.