OpenTechnical

OT-2026-000064999

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000064999) never changes.

Identity and time

Publication numberOT-2026-000064999 · never reused
Internal UUID01a0ae8d-debe-7d6f-a413-35a33313c45f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064999
StatusPUBLIC

Content hashes

Canonical text497e2fd7035e98ca78a9b7bb668a14a94d670a58345630815c6139e9d9a8c33d
Markdownec76e3d09e993e02dd352b77097a78b656e66a94976537cf2bfe7b98bb262c4e
PDF
Publication page5fcdd77ed32173cc8bc5f21f1525dcfdd7183578b1ce438dae2653bd1146955b
Manifest01f286f54e6b820d43268f597bf6ffaee1c051f7455026c4cf7ac55059578e1a

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
SignatureOloGFBZKIxnsukGbbut3XFqtdgxSjMmZKv0uERqmXuSoLP6AYBgaLrB6A9ADB7Y56dm1/aY0ukUaX9QPJnpkBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:57.482448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064999
observed 5fcdd77ed32173cc8bc5f21f1525dcfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:57.461478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064999/manifest.json
observed 01f286f54e6b820d43268f597bf6ffae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:57.439610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064999/publication.md
observed ec76e3d09e993e02dd352b77097a78b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:57.420376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064999/publication.txt
observed 497e2fd7035e98ca78a9b7bb668a14a9...
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.