OpenTechnical

OT-2026-000089504

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089504) never changes.

Identity and time

Publication numberOT-2026-000089504 · never reused
Internal UUID01a0ae9b-db02-7c41-80e6-1dcb14bb6e6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089504
StatusPUBLIC

Content hashes

Canonical text94297b6d7656d96308517797f91dc25e9b60a15f88f076434ec83cb8a45513fa
Markdownc3ab69857799d6e3d4a52dfd54c8265522af3ccb0c0d9a0ae1248f0c90d745f3
PDF
Publication page44b7fa66a4f0beb8ce4cabef6f4b8701ef8425e7e215c694e4df72754b70f1d3
Manifest9c4a666a5cb006080dfa76ef38d704f51df6ccb3a2723f7ff176a2d6197bf486

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
Signature+ryHzXybl4R+1iy6Es10Ss+OSEhDYK8MAzM8zg0oMoPfa31e0rve+2OCSSmDudTLuq2wbuz2i6xg35aDbM6HBg==
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

2026-09-17T09:47:39.517617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089504
observed 44b7fa66a4f0beb8ce4cabef6f4b8701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.500564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089504/manifest.json
observed 9c4a666a5cb006080dfa76ef38d704f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.484779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089504/publication.md
observed c3ab69857799d6e3d4a52dfd54c82655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.466426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089504/publication.txt
observed 94297b6d7656d96308517797f91dc25e...
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.