OpenTechnical

OT-2026-000049982

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049982) never changes.

Identity and time

Publication numberOT-2026-000049982 · never reused
Internal UUID01a0ae81-fd77-72e9-9336-34d575cafd8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049982
StatusPUBLIC

Content hashes

Canonical text83953c0cb9b31a3ae79d2bd4655528bb8eb7f95b0166bb916c6e0b1f28852abc
Markdown250f700167fcdb123dfc6981e9c44fd2288c52be7ac36ae22c89c10ea1b11060
PDF
Publication page63ee1b023165e0592d7e123fcc875a8a9659c90811d1d0205cfd31d39bb6a5a0
Manifestc586aa5066f6e2173e4e8c7e93f2bbbf4458d8438a74154690dead969535bfb1

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
SignatureOne5fLEo4iobY1ypm/3vLNiLKCdkhylJTntpHlytqGXmKeArxLnoMsYVuZfBtY+FqUJPQdsoXsSD8wrFTAfjBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:56.072315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049982
observed 63ee1b023165e0592d7e123fcc875a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.054498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049982/manifest.json
observed c586aa5066f6e2173e4e8c7e93f2bbbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.036353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049982/publication.md
observed 250f700167fcdb123dfc6981e9c44fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.017028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049982/publication.txt
observed 83953c0cb9b31a3ae79d2bd4655528bb...
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.