OpenTechnical

OT-2026-000008769

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000008769) never changes.

Identity and time

Publication numberOT-2026-000008769 · never reused
Internal UUID01a0ae6a-e46c-75ce-a667-06ae9e1a4fc1 · 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-2026-000008769
StatusPUBLIC

Content hashes

Canonical textbd9350d85199d66b67fb2b1a8c6d4b022630f39569009ef45074306cb74d9bd2
Markdownb15333f1e899f4470a656197fa99d7b52c5fa4b7d84d586f973091529f3a2bc6
PDF
Publication page9085be2aa87aa8bfa441cf014e9b65fd4204be22f97d7cc6daeef981f67094b0
Manifestcd56fe543fe78a273b51af2d1179ab19e56654804f9201a4b96bc35addf8e88f

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
SignatureoWX3LVqAM6hgM9oz5refYMXj7kc8ymQSrvmrPOaAXYStWtnT99qUdy9Qg8UqoRTBb5PFlWFljUq0Mgt/zRxHBA==
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

2026-09-17T12:18:52.048710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008769
observed 9085be2aa87aa8bfa441cf014e9b65fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.027908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008769/manifest.json
observed cd56fe543fe78a273b51af2d1179ab19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.008716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008769/publication.md
observed b15333f1e899f4470a656197fa99d7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:51.988611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008769/publication.txt
observed bd9350d85199d66b67fb2b1a8c6d4b02...
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.