OpenTechnical

OT-2026-000068718

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000068718) never changes.

Identity and time

Publication numberOT-2026-000068718 · never reused
Internal UUID01a0ae90-2483-781b-b2ce-f8f0094e6af7 · 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-2026-000068718
StatusPUBLIC

Content hashes

Canonical text5f113f9075733aa579459d627a44e2ddc67c4cce1241753b0e6d9c17dc462798
Markdown0b5960ea512403b33056e5ce5be35c607bb8e561046b87fa634d125a8e5b70c9
PDF
Publication pagea897263f4e98c27896737645ed344bf894a8c2c88f06149723c24a2c130e7c1d
Manifest305d2c3e38400a1c2dfe68162b0efd17db2c277959fd0fd4bd43f26ab00408dd

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
SignatureAcQwAv1qtqM2VSP3KH+L/BEMOfRgUIXBvsHAtjPkMZd1E+ODuEmcz3y2VxgxRSReFvhObpG5BKgqjmV3KBy0Bw==
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

2026-09-17T10:29:55.741478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068718
observed a897263f4e98c27896737645ed344bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.725075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068718/manifest.json
observed 305d2c3e38400a1c2dfe68162b0efd17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.708685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068718/publication.md
observed 0b5960ea512403b33056e5ce5be35c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.690838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068718/publication.txt
observed 5f113f9075733aa579459d627a44e2dd...
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.