OpenTechnical

OT-2026-000086400

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, sustained 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-2026-000086400) never changes.

Identity and time

Publication numberOT-2026-000086400 · never reused
Internal UUID01a0ae9a-2c97-7d99-b5a8-f2d11b15ae4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086400
StatusPUBLIC

Content hashes

Canonical textb5c7ee6998e2686bd2be072db24d4da878f5d756e71099021b957ab94d315338
Markdown455780e3ca9b081f712cce6b2cf1934c95b473b01896c5eea51cd8237e642b5d
PDF
Publication pagec142985fa68833e0022e5a27d03747acf6e4cf224f0b0860a88a20c8a12c64de
Manifest220b3f71435703a56cfb6e10c0ba1ded079c1a6baa4e92b66406be6902cf53eb

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
SignaturexcYH5bi8sY7kNyfUIC+vdnGO6UelhzkCg4TX+2gZVGelRq98HtXDGFPsXSVoQgiGVqhlSHM8Be2yb7PRhRceBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:11.227173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086400
observed c142985fa68833e0022e5a27d03747ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.208830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086400/manifest.json
observed 220b3f71435703a56cfb6e10c0ba1ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.188437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086400/publication.md
observed 455780e3ca9b081f712cce6b2cf1934c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.169025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086400/publication.txt
observed b5c7ee6998e2686bd2be072db24d4da8...
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.