OpenTechnical

OT-2026-000070028

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000070028) never changes.

Identity and time

Publication numberOT-2026-000070028 · never reused
Internal UUID01a0ae91-1861-72e1-8fed-8b131b7e8f70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070028
StatusPUBLIC

Content hashes

Canonical texta9363bfb71aefbd6a743e3592600f4daf340c27a40fb70242e5ece14d694acaf
Markdown11ce794893180a09c2e08ed66a12522b35f163b560f96533badaec373c0d9376
PDF
Publication page67f8b35a9738567c7bb179bd7009006ad06dbd7981ef3ee31edc8c376a9f47c7
Manifest7dd0f198325a4cb314cac5251a5effdf9303acd1557d488fd9f5df20336ae029

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
Signature7pdUC5jVw3xQ1Zmqdd8sNmfQ6Xy3QClsGpaByOX+llYUmwzd0UtzifqjgaaIBQ5cMplKyFUsAqTZlGv8m0OKDg==
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

2026-09-17T10:26:29.513914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070028
observed 67f8b35a9738567c7bb179bd7009006a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.497251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070028/manifest.json
observed 7dd0f198325a4cb314cac5251a5effdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.479270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070028/publication.md
observed 11ce794893180a09c2e08ed66a12522b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.461347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070028/publication.txt
observed a9363bfb71aefbd6a743e3592600f4da...
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.