OpenTechnical

OT-2026-000070458

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000070458) never changes.

Identity and time

Publication numberOT-2026-000070458 · never reused
Internal UUID01a0ae91-545f-7d60-826e-ef6c74a91bf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070458
StatusPUBLIC

Content hashes

Canonical text6ce2790ba48f4164dad6e535e456aab6f9a87d3f795998d901f48641e99f8078
Markdowne85f46ecd48b6f58abb722dab4b04b6e65ad0ee7ac732effc00dc663672c5020
PDF
Publication pageac3edc2a2d73f1023bcf9295354e3ff9cc542f39f6a79112e73cb7943bb34b8e
Manifest42c6d1079c1e5041544e7744bd8073fe78eaab44be7245be2d665988134a669e

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
Signatureo5ZbQW7A3G7lic90dzuNUdnQCtpyw10J6rF31DBs6B8ldpCFkf6DC8ybH+LDlbAI1zD8G0oQX9VBCl0FIxVlBw==
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

2026-09-17T10:26:17.036307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070458
observed ac3edc2a2d73f1023bcf9295354e3ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:17.019994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070458/manifest.json
observed 42c6d1079c1e5041544e7744bd8073fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:17.002448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070458/publication.md
observed e85f46ecd48b6f58abb722dab4b04b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.984083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070458/publication.txt
observed 6ce2790ba48f4164dad6e535e456aab6...
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.