OpenTechnical

OT-2026-000022618

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000022618) never changes.

Identity and time

Publication numberOT-2026-000022618 · never reused
Internal UUID01a0ae70-46e8-7b58-81ef-e4219824fdc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022618
StatusPUBLIC

Content hashes

Canonical text3ceb62cc480757a8332ffdec67f0f2aa749286682071a2c546ef14cd64332850
Markdown675057acb0b368b030e1722dcdc8f59cd5b713c6267e47db3628dc57e08b5ce8
PDF
Publication page2601bed4f6e3c2b9c8da15e129786ea4f7d303b1be8b21162df9683b3e947c9f
Manifest7ecad3a354b65a34c81c26a27801c6beac8ef8e7c9eb308bfe7c99ade0c018fd

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
SignaturecCs+HzAg4R0HLTZ6dwwQca1MyBpMo5PgaR4fqY24zpApCLzdnYsSEejCgcWLp9WlOAyljm6ASzdqrNAv7MGiDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:59.432811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022618
observed 2601bed4f6e3c2b9c8da15e129786ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.413658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022618/manifest.json
observed 7ecad3a354b65a34c81c26a27801c6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.395280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022618/publication.md
observed 675057acb0b368b030e1722dcdc8f59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.377908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022618/publication.txt
observed 3ceb62cc480757a8332ffdec67f0f2aa...
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.