OpenTechnical

OT-2026-000008670

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000008670) never changes.

Identity and time

Publication numberOT-2026-000008670 · never reused
Internal UUID01a0ae6a-e46b-738b-bc03-ccbbb938cabe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008670
StatusPUBLIC

Content hashes

Canonical text1cdf30c80fcc838d2d699af5f4179f34ab916054fb811c498f2af0acb0eff757
Markdown4b628df90986e565219a97c7da978c6459cce4688667f3f762c7ab8689b17827
PDF
Publication page1377747c5424e5072112eee0d837d372debb73782dd8bd06ecdc33a6246f84a4
Manifest2be903da27b54c2acff4d88759a9690f72add578ff6d19fc59dfef3ee05d21ef

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
Signaturee1294UnJHuPjCcdAT5xeID5Vb+LXNLHHT7YWN4Cq0uCzmfNn1qF6N6aQveyef7UWyrY7ulm6bEl8KpCpXoYeAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:39.182927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008670
observed 1377747c5424e5072112eee0d837d372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.162297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008670/manifest.json
observed 2be903da27b54c2acff4d88759a9690f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.141515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008670/publication.md
observed 4b628df90986e565219a97c7da978c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.109892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008670/publication.txt
observed 1cdf30c80fcc838d2d699af5f4179f34...
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.