OpenTechnical

OT-2026-000080708

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000080708) never changes.

Identity and time

Publication numberOT-2026-000080708 · never reused
Internal UUID01a0ae96-b973-7dad-b1c2-3e3eea86096a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080708
StatusPUBLIC

Content hashes

Canonical text89be727c2513a6bb72d671237da59641788f4e8b6f6b05751980a74242772181
Markdown51575aaa4cc57b1be435baf2833ef694e523cb63aa981101b6da599d249703ac
PDF
Publication page9d37490a9cc20e641ec6c2b153260c09e219ef7b92412e6fafe3a85612fb61f2
Manifeste7b2393b606618506f297415cb5b178ad13a1149b61c18c1589a98cddbaf1e72

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
SignaturexNqsY9Lv360azysOBds/fOy3Pi+7OZOipD1oVxavedMPlQpfsXLhRKJw0ChAzcAbjpaJzouT4y2nxhIGwWzeBw==
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

2026-09-17T10:01:44.396309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080708
observed 9d37490a9cc20e641ec6c2b153260c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.379817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080708/manifest.json
observed e7b2393b606618506f297415cb5b178a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.361648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080708/publication.md
observed 51575aaa4cc57b1be435baf2833ef694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.344791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080708/publication.txt
observed 89be727c2513a6bb72d671237da59641...
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.