OpenTechnical

OT-2026-000092749

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000092749) never changes.

Identity and time

Publication numberOT-2026-000092749 · never reused
Internal UUID01a0ae9d-b600-7e40-a2d7-eab95e8fce72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092749
StatusPUBLIC

Content hashes

Canonical textb1714fa48784f4c19a36d4fbf30c5e0bb22138025de2d368ca61ff8a4e2116c5
Markdownfb77258e705e39e88834e964eccaa76e263a2e0745c5415809e7525bb0e189bb
PDF
Publication page3fd443fe8614e1c8239cf2dbffdf8dd6a01fc25d8a5e3f9aab5e602e5c48fb78
Manifest7e95d3d13b7598425b4ca03e18d48fdf08965c1d476e049ef2fde88873bb666d

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
SignatureMgLhTIXlI/IFTSpkSWbxCDZkB1KdkMLK5nWCzn7Vgcbq3UA5VD2CV0KtQ6EYScXVgdwbqfBACu+7swvU5vOBAA==
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

2026-09-17T09:41:22.648611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092749
observed 3fd443fe8614e1c8239cf2dbffdf8dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:22.631398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092749/manifest.json
observed 7e95d3d13b7598425b4ca03e18d48fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:22.613739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092749/publication.md
observed fb77258e705e39e88834e964eccaa76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:22.596708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092749/publication.txt
observed b1714fa48784f4c19a36d4fbf30c5e0b...
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.