OpenTechnical

OT-2026-000072625

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000072625) never changes.

Identity and time

Publication numberOT-2026-000072625 · never reused
Internal UUID01a0ae92-89d9-7fcc-a449-a5a2f2cc46ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072625
StatusPUBLIC

Content hashes

Canonical textf3553186eb82228f7318478d2f025b572663f3c7226e12c648e07f5f01b5c9ea
Markdownffdc57b3feab3903ef3c2112203ee13cc39915309e059971782cfb7aed117f58
PDF
Publication page7b8d403f49ea43979183565102d927649fa1127087dc1276c5e0ab1438999795
Manifestabc2a2edf7b6bde23a5004c71ebb4f9d99726645380762e0843be0d8e9b70ec5

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
SignaturezHLsxhHxiYohTgjKJRNmxienOEe6zSZVLwK8j6e4G6n9FBS3MrQkKuyZiKQL1D0RlLedkDmxhYEafJI/jsHjDQ==
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

2026-09-17T10:22:28.927811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072625
observed 7b8d403f49ea43979183565102d92764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.910773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072625/manifest.json
observed abc2a2edf7b6bde23a5004c71ebb4f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.892386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072625/publication.md
observed ffdc57b3feab3903ef3c2112203ee13c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.876708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072625/publication.txt
observed f3553186eb82228f7318478d2f025b57...
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.