OpenTechnical

OT-2026-000018361

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000018361) never changes.

Identity and time

Publication numberOT-2026-000018361 · never reused
Internal UUID01a0ae6e-b489-7eee-9fe2-f34097e7117e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018361
StatusPUBLIC

Content hashes

Canonical text066f951dba75dde306f5adc6fe713a48f57ea28859a35be0a068e224d2b2fdd5
Markdown7b41c0cf6f9ad27aadbf26e2a724fdd8eaf932aa1470e509883a7d5b1ce9bd8a
PDF
Publication page64563f47641521a0bce9157f42aafed66b773105793c02dc815078e93da2a583
Manifestca77719be75884b56dbf7d118b67636e0efb632ecc4205da932531965da75b98

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
Signature2M/S05QLu9SlhaZerPBR3FpA8SWpTe8aqN33Su1+8Pn+nMFxOL7n+AHSFszk/bGyO8TOzH1nwGZmAYrR227ODQ==
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

2026-09-17T12:01:05.878285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018361
observed 64563f47641521a0bce9157f42aafed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.862366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018361/manifest.json
observed ca77719be75884b56dbf7d118b67636e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.847184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018361/publication.md
observed 7b41c0cf6f9ad27aadbf26e2a724fdd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.829474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018361/publication.txt
observed 066f951dba75dde306f5adc6fe713a48...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent