OpenTechnical

OT-2026-000091523

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091523) never changes.

Identity and time

Publication numberOT-2026-000091523 · never reused
Internal UUID01a0ae9c-f16e-76c3-9434-f03775cdfcf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091523
StatusPUBLIC

Content hashes

Canonical text2b0f1c0425a96a214de09a7e11c3cefc1664d1e1ce021b18a1907d19bb817a59
Markdown72868c97f34db904eb4bec9998fdf3b97cafec8d25b41dad57b8b1bb310eb503
PDF
Publication page857e828f8816108106959a9fe5e060f6bcd748d39659524cee0f63447f0df8f1
Manifest673a4e66c179f3e35a2a1eb79531bb28945f2c07bafe2e5091ee547141a9bb14

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
SignatureV4F+AAK2X67OtzVvCDxM6cLWUxlAze7WJ7LFKW17+mzhsHy2BhVBFowUHBC6YBv3TtQJVKzRMqM5gZQ57F6pDg==
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

2026-09-17T09:43:47.339853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091523
observed 857e828f8816108106959a9fe5e060f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.322857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091523/manifest.json
observed 673a4e66c179f3e35a2a1eb79531bb28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.306315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091523/publication.md
observed 72868c97f34db904eb4bec9998fdf3b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.289273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091523/publication.txt
observed 2b0f1c0425a96a214de09a7e11c3cefc...
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.