OpenTechnical

OT-2026-000089742

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000089742) never changes.

Identity and time

Publication numberOT-2026-000089742 · never reused
Internal UUID01a0ae9c-1a22-7930-9580-923824fecf81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089742
StatusPUBLIC

Content hashes

Canonical text355d353ed92925f0890bb6a4d0b8b0c911d59e436243f42686088c8e0a837fec
Markdown91a70ff93766009844cc0e0ba61e180ecc2e0ef096083642014ac6b52875d11a
PDF
Publication pageeb0126175cfc7bd05cce541165dcc87b50f37039d71efac53ec7fcdd47482a81
Manifestc586d5c0b02a203f8267a62f966436e09a2b81c5ad7ce4742bc44cdef63bb2fc

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
Signaturew+x+Kmy2mr15U7bP7UPa1pSmG+Vinicr0zfMaMSeCzpFLr7mi/GGPZwL0I2g0oi2sj2XQbgFUZfSn0VpCXclDw==
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

2026-09-17T09:46:45.073739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089742
observed eb0126175cfc7bd05cce541165dcc87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:45.054694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089742/manifest.json
observed c586d5c0b02a203f8267a62f966436e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:45.031488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089742/publication.md
observed 91a70ff93766009844cc0e0ba61e180e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:45.012205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089742/publication.txt
observed 355d353ed92925f0890bb6a4d0b8b0c9...
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.