OpenTechnical

OT-2026-000027240

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained 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-2026-000027240) never changes.

Identity and time

Publication numberOT-2026-000027240 · never reused
Internal UUID01a0ae72-3454-74c3-af73-cd77dd347e0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027240
StatusPUBLIC

Content hashes

Canonical text30bb14f907ce1c1ced66d31e4e13b58538d4f4d90ea53a0ccbfd834ca461b806
Markdown0df826cd6006a4cdb939953fa28180facd80477a9613767505c3564bafed58c0
PDF
Publication page1e152ca952f31695ad08f48a0698af4b55052d8c2e29ea5a7b4a5f00c85bb527
Manifest448e1ad760721596c9be68de4217ed6436909e2a7aae4f9ff5ed2f154ef3c733

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
SignatureAVFENZdRzFpDCl4IS3kbxYRnZ8cCYYCv/eySLSSTS4AsVHPsk9lU2il2w6NKGrT7VsIPIXwMyMFroKbDoukLCg==
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

2026-09-17T11:44:08.148779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027240
observed 1e152ca952f31695ad08f48a0698af4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.131942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027240/manifest.json
observed 448e1ad760721596c9be68de4217ed64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.114678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027240/publication.md
observed 0df826cd6006a4cdb939953fa28180fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.095769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027240/publication.txt
observed 30bb14f907ce1c1ced66d31e4e13b585...
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.