OpenTechnical

OT-2026-000008481

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000008481) never changes.

Identity and time

Publication numberOT-2026-000008481 · never reused
Internal UUID01a0ae6a-e46a-7d44-8ce8-bfed2cbc311c · 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-2026-000008481
StatusPUBLIC

Content hashes

Canonical textb2c5107c10d5b6a0b4c25b895dbfc00f7610bb2450c25da7aa5758cb8498843a
Markdownbcebe4b99c6685eb7f3ab7b0bae3356363e9df8303d938fdbe67e44b65ff0354
PDF
Publication page9bc593455f6389b1268e12c21686fb548a7ab93a9ca8fabbe3274d509edd229e
Manifestd6ff0041b8699c0d63ccc178186b2acc24fad74c39c7c558b6f53897507f2035

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
Signature7sxk++q/uOJwI5FJ7z7pfs2AO1sJag5/h1EV2yWpzaA3OAc0jDtZANgEbljG5Nyp2ncouBj+hJhmEfFW4AxpDw==
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

2026-09-17T12:18:22.623003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008481
observed 9bc593455f6389b1268e12c21686fb54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.604765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008481/manifest.json
observed d6ff0041b8699c0d63ccc178186b2acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.587827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008481/publication.md
observed bcebe4b99c6685eb7f3ab7b0bae33563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.569652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008481/publication.txt
observed b2c5107c10d5b6a0b4c25b895dbfc00f...
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.