OpenTechnical

OT-2026-000078136

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000078136) never changes.

Identity and time

Publication numberOT-2026-000078136 · never reused
Internal UUID01a0ae95-6e8c-7f3b-9965-9356d12e4f88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078136
StatusPUBLIC

Content hashes

Canonical textbc0a861ebb598dcb01a13f308f72888d6470664ef7af1806dad9a800e009a961
Markdownbedf24783a4962af180a5290284b48b73d63c003833dcffb0d29abe059cfdfae
PDF
Publication pagea6357f18ce54805a74db1f789460cb6a14c70c4ea8df4c4ea65e8480c93ebc0d
Manifest41873b6a4904ccf27b2e7781416f654546e092990fed16a8945af22fd34771a4

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
SignatureiIP4hzlwHWGnSdmn7tFBUcBCQH2uri1/Eb/gxJZcu+TBF7fu41XCOP59jCQUmkQxNmfRf41MVow8X6Z3ruAPDw==
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

2026-09-17T10:06:50.907050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078136
observed a6357f18ce54805a74db1f789460cb6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.888243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078136/manifest.json
observed 41873b6a4904ccf27b2e7781416f6545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.869659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078136/publication.md
observed bedf24783a4962af180a5290284b48b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.850946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078136/publication.txt
observed bc0a861ebb598dcb01a13f308f72888d...
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.