OpenTechnical

OT-2026-000027748

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000027748) never changes.

Identity and time

Publication numberOT-2026-000027748 · never reused
Internal UUID01a0ae72-a4a4-7c82-bcd5-56c4c7d6e63d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027748
StatusPUBLIC

Content hashes

Canonical text584597c46c134f4c966983d5bda4da61a0085954693e2d7432a8fe274420c9da
Markdown7530c1c6e0013d14fcf2e90ad52ea5d201c58174c414efea661829855da96859
PDF
Publication pagea981ff4d0f78b8952acf70dd7ea531ec59a1fcf10aabd615d48f4c45d90e9fe5
Manifest0477ca966a4f5f2392af58d87f596dc8a11655a4066f30c03e7ea83e7bed4682

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
Signaturej0Fp5vrstOzZWXEybApNBXculSBHf8wNxHDYWJOASziDoyyCvUrZ3bHbLNTOc7MYDwnHks5D2MJPopKpVFFeDw==
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

2026-09-17T11:41:46.234767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027748
observed a981ff4d0f78b8952acf70dd7ea531ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:46.182325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027748/manifest.json
observed 0477ca966a4f5f2392af58d87f596dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:46.162179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027748/publication.md
observed 7530c1c6e0013d14fcf2e90ad52ea5d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:46.106640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027748/publication.txt
observed 584597c46c134f4c966983d5bda4da61...
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.