OpenTechnical

OT-2026-000013044

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000013044) never changes.

Identity and time

Publication numberOT-2026-000013044 · never reused
Internal UUID01a0ae6d-5564-7050-8c9a-f3a2561f46c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013044
StatusPUBLIC

Content hashes

Canonical text9ce423862f7a4b37896446c236352077a9695af2ebe8f5a7c30a1854045e0ed9
Markdown748ffd74ef445c21262044d9512680aadeae741f2f841a2c1ff25513b4800652
PDF
Publication page1f53435dc9c4c5747b3cbadcb7eaa333ccf6cbc36635d582fddb6ee35826bc6c
Manifest603affe3db630caf77eb9403ea4d4222630472e6a8a77d6ea9ff1871f2ad34a5

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
Signatureg/hezJC3O3/xLGF3QFws0WPWlSQKylhctFvLXu8HL0lHtGXsOS+uwiGSvWaoOxfvoQzuJVzZTQ/+sJ7rYJb3Cg==
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

2026-09-17T12:10:52.606572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013044
observed 1f53435dc9c4c5747b3cbadcb7eaa333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.586700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013044/manifest.json
observed 603affe3db630caf77eb9403ea4d4222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.567537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013044/publication.md
observed 748ffd74ef445c21262044d9512680aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.547151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013044/publication.txt
observed 9ce423862f7a4b37896446c236352077...
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.