OpenTechnical

OT-2026-000031964

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000031964) never changes.

Identity and time

Publication numberOT-2026-000031964 · never reused
Internal UUID01a0ae74-bad2-7b5d-a916-30065d376a13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031964
StatusPUBLIC

Content hashes

Canonical textd8980f0358c1e4bb1ef8717c5353f9ac60eb022a4f60f1f4dc4059745732c930
Markdown0790d4af05db00fcb14b499c9e412d7fe35fe06478ce32f1e5c3eda173e0b28f
PDF
Publication page7bb55c709d07d074adc8e7af6eb976b2d0732fc297596cf61efc6469e1f3ae1b
Manifest479be3b812febacf751a51f7a4524d0baeb5d5082d995324446498fc5303ee70

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
SignaturewP/oYoQURbx0iBtq2CEmjHmxnl+zQYq592U3YSfMP7DABUek4mP0aoQra17uZ+Wp/iFa0i0Ogu59/kAG3kumCA==
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

2026-09-17T11:35:15.388859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031964
observed 7bb55c709d07d074adc8e7af6eb976b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.372390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031964/manifest.json
observed 479be3b812febacf751a51f7a4524d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.352823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031964/publication.md
observed 0790d4af05db00fcb14b499c9e412d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:15.332570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031964/publication.txt
observed d8980f0358c1e4bb1ef8717c5353f9ac...
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.