OpenTechnical

OT-2026-000048456

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000048456) never changes.

Identity and time

Publication numberOT-2026-000048456 · never reused
Internal UUID01a0ae80-4de5-79b5-9533-4840a7a9cf4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048456
StatusPUBLIC

Content hashes

Canonical text630355e112c4d4e94a05475ef6eea959dd542d40c04a6d85f9c2f88dcb280869
Markdown5ac19a43a5b60e0108a33f5a3485b376c02ac23b5ecb07c314081b8dcfee0162
PDF
Publication page448786345338eb957528810683874f16a1d9040b16d0a5dcf30ae8036597a033
Manifest99fbd482a21438761bf858c6b25efecc020bef3480a0ccf7832f4ebefa29a82a

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
SignatureiUjDSp63QudvjGaY0c8HMmQFdfwA4FgyEDXOFp20EscUb/2YqmF904iaPp7GFoaZGJRoA/L3mUY67vxmTokWAA==
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

2026-09-17T11:05:06.826109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048456
observed 448786345338eb957528810683874f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.808671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048456/manifest.json
observed 99fbd482a21438761bf858c6b25efecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.788798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048456/publication.md
observed 5ac19a43a5b60e0108a33f5a3485b376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.769751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048456/publication.txt
observed 630355e112c4d4e94a05475ef6eea959...
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.