OpenTechnical

OT-2026-000032597

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000032597) never changes.

Identity and time

Publication numberOT-2026-000032597 · never reused
Internal UUID01a0ae75-1070-7964-942e-221fae2bc871 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032597
StatusPUBLIC

Content hashes

Canonical textd3d43dd44321ab008e403b5126594e09f1bbc469c9ffdf1474b77028546788c3
Markdown70d93832d5a6c14eb43526c62329b4a87e5a34f203673f721673624f166f3c6d
PDF
Publication page4219de86f263d107b180975a1760271cac960ce9afe2e9c843c4973069afb7cc
Manifest8c4491fe7380fd1cb3ebcb743af4d9d547d1233e02ba617a943a250063ea40a6

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
Signature1r+CvVDwmzAtj60NLlRzmAtdRY/YvgxErLwxnxv7aKVWPP3MsriUUnGpqvMHIxm3IDH5RpliJyjJQxuNiPj+AA==
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

2026-09-17T11:34:10.648833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032597
observed 4219de86f263d107b180975a1760271c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.631810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032597/manifest.json
observed 8c4491fe7380fd1cb3ebcb743af4d9d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.614375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032597/publication.md
observed 70d93832d5a6c14eb43526c62329b4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.595347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032597/publication.txt
observed d3d43dd44321ab008e403b5126594e09...
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.