OpenTechnical

OT-2026-000102574

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000102574) never changes.

Identity and time

Publication numberOT-2026-000102574 · never reused
Internal UUID01a0aea4-858a-741b-ab87-e14f588509e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102574
StatusPUBLIC

Content hashes

Canonical text55d70ce1d290cebbe51f21e1b6efc5aaea8665bdb1dc0f37ad13eeec22796b30
Markdownd21098cb45c8dd781f7df3aed112b0969ee8cad4220a10ad6d4431910627ab02
PDF
Publication page57c08284f8323e0cf6d0fea2610569cc4001793ca8821d94604a814a93fb68e8
Manifest66c11b37474d0c6d26287040db195be6510bb19b2cced01dff54620e18b63d31

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
SignaturelmmfxgOR7N7lxiuS+jEUWOYkNt4lJWbQhlGHrqbTvHbCiHLNIc87Ihp++wXCUJUmSZUIZKwR+cnjryKafRXdDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:03.506237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102574
observed 57c08284f8323e0cf6d0fea2610569cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.486740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102574/manifest.json
observed 66c11b37474d0c6d26287040db195be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.468162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102574/publication.md
observed d21098cb45c8dd781f7df3aed112b096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.448778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102574/publication.txt
observed 55d70ce1d290cebbe51f21e1b6efc5aa...
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.