OpenTechnical

OT-2026-000009543

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000009543) never changes.

Identity and time

Publication numberOT-2026-000009543 · never reused
Internal UUID01a0ae6b-7562-7a58-8db8-dd1b3b9658d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009543
StatusPUBLIC

Content hashes

Canonical textc94cd67dd9d0fc803bcc6dbfbd888b111a6ea9d9c1a0a50d4cf19f68db4fc402
Markdown771e33e8d5792a19732228b5910761583355dc6add96976645bc05ee2938b99f
PDF
Publication page19eb89a01b1ef246fb33de34b8212c8c070d845317aa6b3f78d495e9cb2fc23b
Manifest139954e3228c805a7953913affaac36cc9b72dac89d3198e38a9bdcfb0c3cc1c

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
SignatureKIEuXQVjSRl/6IBahFC0ZaLBnyf5QI78XP2vj+5wQaQlUeAiaJH8J5juw7aqSbo+qh6v79owtkdPwsXP+Jb1CQ==
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

2026-09-17T12:16:58.046195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009543
observed 19eb89a01b1ef246fb33de34b8212c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:58.027337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009543/manifest.json
observed 139954e3228c805a7953913affaac36c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:58.008918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009543/publication.md
observed 771e33e8d5792a19732228b591076158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.989250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009543/publication.txt
observed c94cd67dd9d0fc803bcc6dbfbd888b11...
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.