OpenTechnical

OT-2026-000068531

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068531) never changes.

Identity and time

Publication numberOT-2026-000068531 · never reused
Internal UUID01a0ae90-2482-7423-be4a-03eaa08e41f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068531
StatusPUBLIC

Content hashes

Canonical texte3b9311ed638a7f75a8699098af3ddba19927b74cc32f00024010b27ae49f8ab
Markdowna3bac10c84bb477e0ec8db3ce7a40102997309e821d4d1552adfe307c380e1ce
PDF
Publication page20a05a7b1e37c3fbda11ec705011488c37207f86163094980a841c63cdb4e0d7
Manifest6c9c4d3cdb2b9eed6ed7dfbcb2f1b5bdc5ec2cc161fd4ae314cd05006588f0bc

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
SignatureKKDMIwrJ56kAUmmD9/ZPCa/7WxuME0Noc3UxH703L7rf1pQz+zrbx9FEgrM7yRUCSJkwJKWgxkE2hT41EiIyAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:41.572399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068531
observed 20a05a7b1e37c3fbda11ec705011488c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.555256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068531/manifest.json
observed 6c9c4d3cdb2b9eed6ed7dfbcb2f1b5bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.538382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068531/publication.md
observed a3bac10c84bb477e0ec8db3ce7a40102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.522222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068531/publication.txt
observed e3b9311ed638a7f75a8699098af3ddba...
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.