OpenTechnical

OT-2026-000010697

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000010697) never changes.

Identity and time

Publication numberOT-2026-000010697 · never reused
Internal UUID01a0ae6c-0ee8-705c-be1e-812a1a65df4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010697
StatusPUBLIC

Content hashes

Canonical text99169480455874c7d7f3d79b50a5fb6d51282596e2aee542c6ee5d420f83fde7
Markdowndca1721c26cd934bf863fd796b32d47e9a2a93674b0498856880ef58bc0e62a2
PDF
Publication page94e4b14f9ee4523ada676624c20a026f9c026237d028400d3798aed78e3411fb
Manifest435c0cfb2bf2e74d2eb4073f343c89747e21edfa0d993f0f28cde3a168853bf2

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
SignatureI5d2DNbnpj7SmkSs2qqvTmUJHeUKjdAL5QFSs3vciNkP3YHdrUGmXsyLV85/v8VX2i56K5DpetndgXFBJSkUDA==
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

2026-09-17T12:14:54.789723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010697
observed 94e4b14f9ee4523ada676624c20a026f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:54.769116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010697/manifest.json
observed 435c0cfb2bf2e74d2eb4073f343c8974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:54.746337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010697/publication.md
observed dca1721c26cd934bf863fd796b32d47e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:54.724988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010697/publication.txt
observed 99169480455874c7d7f3d79b50a5fb6d...
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.