OpenTechnical

OT-2026-000043548

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed 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-2026-000043548) never changes.

Identity and time

Publication numberOT-2026-000043548 · never reused
Internal UUID01a0ae7b-92cf-709d-a685-4ed57df7cf56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043548
StatusPUBLIC

Content hashes

Canonical texte8437929076fb3261f143a4699e97d97c914193e2f893cc204f8b1e190e23a42
Markdown6a241978b80ebaf44f23b65ded79765b45c930d7940b8d8ac13785dd5447714c
PDF
Publication page27e2cc0f9cd635d0efea5fdb74d78c37d67dcd588539caedf08adf572d676092
Manifest20beb59c421e0d067b2576e18f4c42538eef0d1799f1749aa789bf35febe907a

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
Signaturec/QtbKvnr/OHxVdU68na2FqeeR8lqc9P3nmmSBx4KQmwwuRl4kFGNb40uocsvQolpm+TnFrGZKDM6uVXRi65Bw==
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

2026-09-17T11:12:56.135594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043548
observed 27e2cc0f9cd635d0efea5fdb74d78c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.114310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043548/manifest.json
observed 20beb59c421e0d067b2576e18f4c4253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.094136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043548/publication.md
observed 6a241978b80ebaf44f23b65ded79765b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.074227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043548/publication.txt
observed e8437929076fb3261f143a4699e97d97...
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.