OpenTechnical

OT-2026-000089350

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-2026-000089350) never changes.

Identity and time

Publication numberOT-2026-000089350 · never reused
Internal UUID01a0ae9b-db01-7f6b-9040-678d2af756c1 · 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-2026-000089350
StatusPUBLIC

Content hashes

Canonical textef8711e5b45c6fc46300da4712c7a5e49b4efd63d64535c723c6f5100d943f3f
Markdown729bb0265537f1c3714eac3c9bb7d58f368dbe4319372ff333f585501daf6825
PDF
Publication page655037dbd890a05a48df7638e35a9b68e77efa24eb4b3bb2dbb3761f1b5cdff1
Manifest0c01dd3f8fe0419097c3079ddff0e034389414b4aff77d37c0078ef3405610dc

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
SignatureY5rVz00u08+tIrmm3KlhBtSQVygsjRKS5JWJKN86d5tvXyxVbSXe56NxawyCxUSJEVAGGgRFX30yN8rtWIP5DQ==
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

2026-09-17T09:47:24.339546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089350
observed 655037dbd890a05a48df7638e35a9b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.324191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089350/manifest.json
observed 0c01dd3f8fe0419097c3079ddff0e034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.308135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089350/publication.md
observed 729bb0265537f1c3714eac3c9bb7d58f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.291359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089350/publication.txt
observed ef8711e5b45c6fc46300da4712c7a5e4...
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.