OpenTechnical

OT-2026-000089347

Publication integrity record

Two cup vacuum gripper, two 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-2026-000089347) never changes.

Identity and time

Publication numberOT-2026-000089347 · never reused
Internal UUID01a0ae9b-db01-7291-8936-f5421b0c0e93 · 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-2026-000089347
StatusPUBLIC

Content hashes

Canonical texta72c4307f2adce75b3d68be151a3dc4dd59a0d4bc80fdcc6955a6c0c8033f07f
Markdown74c3d378d4e32424d28a26e8927972662eecd9edde605621d522a759322e2b2e
PDF
Publication pageaa09f6fa23d21a580533f51f5206bc9e017383a4eeff275379e453e597e0b021
Manifest5e57b5e436f81e96385dd8097f97ec0a5199820484e5fe3e470306265a130283

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/twd182nl0X8oDgrLvFIM8okxEjh3SnvRsvopff9q+6L8+hnb5gC1KBJzZ7EpEFrn2dIAYf/bjtC0kJZcxlpAg==
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

2026-09-17T09:47:24.140176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089347
observed aa09f6fa23d21a580533f51f5206bc9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.123464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089347/manifest.json
observed 5e57b5e436f81e96385dd8097f97ec0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.105683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089347/publication.md
observed 74c3d378d4e32424d28a26e892797266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.088286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089347/publication.txt
observed a72c4307f2adce75b3d68be151a3dc4d...
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.