OpenTechnical

OT-2026-000041620

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000041620) never changes.

Identity and time

Publication numberOT-2026-000041620 · never reused
Internal UUID01a0ae79-e8a0-7692-97e6-f31a7cce5532 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041620
StatusPUBLIC

Content hashes

Canonical textecb3fc027f5b95b9c58cc9c3bbf0fb8d414477dfd9281e96ed8b5f41c9a4a527
Markdown297a5e250d2421c5e588278a028e46b504a35c24e7c3ef71770a3f6d0137f9dd
PDF
Publication page493089833dae18ad0739b3097d1fe1b80cb350bb804358e8e7c7e5eaa2be383c
Manifest6ed6e8b2b136ab1795f4f7551fcbad07d048b6c9ea6a76628768bc60c86f9f92

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
SignatureRNszHJ24iYZf3Yu+8A9WM8idOq8zeLxi960yf2l5u+P+5moUkm36aF8Zez8T9tbT3oNZ+Ppc3gKSRs6xnlCPCA==
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

2026-09-17T11:16:24.983941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041620
observed 493089833dae18ad0739b3097d1fe1b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.966819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041620/manifest.json
observed 6ed6e8b2b136ab1795f4f7551fcbad07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.948067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041620/publication.md
observed 297a5e250d2421c5e588278a028e46b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.930219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041620/publication.txt
observed ecb3fc027f5b95b9c58cc9c3bbf0fb8d...
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.