OpenTechnical

OT-2026-000049880

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000049880) never changes.

Identity and time

Publication numberOT-2026-000049880 · never reused
Internal UUID01a0ae81-fd76-7407-a82c-abed4d0a5ffd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049880
StatusPUBLIC

Content hashes

Canonical text674a9f6f03adac5b599db39ce10e8433a99f383a8b8ecad36ae2287e9c6bbcc0
Markdown84de7bc7df012bcaae620add0e936824cd15523266c01510de1f35fc92d53c65
PDF
Publication page7a15590cbdedc0af158f8f099c19411e9602e023d659221baf4d4351ef4c6f19
Manifest9ee7df77d300734774a3ea482e7306e9880f641b4a29aefadfcce580efaa1ba8

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
SignaturesN2XHi9wJC2na1Rjn94ZMDpLcZh9NoC7wpswO/dRjNpP7rzlqyinK2S2gMfyuqYV+khXUq3NdtTb4lNnFubJDQ==
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

2026-09-17T11:01:47.636864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049880
observed 7a15590cbdedc0af158f8f099c19411e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.597437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049880/manifest.json
observed 9ee7df77d300734774a3ea482e7306e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.578151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049880/publication.md
observed 84de7bc7df012bcaae620add0e936824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:47.540199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049880/publication.txt
observed 674a9f6f03adac5b599db39ce10e8433...
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.