OpenTechnical

OT-2026-000052874

Publication integrity record

Foam pad vacuum gripper, three stage ejector, vented 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-2026-000052874) never changes.

Identity and time

Publication numberOT-2026-000052874 · never reused
Internal UUID01a0ae84-a42f-7c12-a105-8378910e0183 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052874
StatusPUBLIC

Content hashes

Canonical text384c9d18b96453ff2deadc25812b13bd3879af16f6455a6f52083e832fe2e26a
Markdown8933bae3a7c897910f192993db9e46144b4bea35aba6e3c81cbbbfa275ef32a8
PDF
Publication page5957449a1f84a4ac07b3d26e9f41b8987cab9ba2bf8ae7dc35414ffc84002f2a
Manifesta5cfbe98113c7da958393d83d95e17bdc692b89c62106ab575aa5f93ccfbed20

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
SignatureFy6GO2kzXV9ii0fLJgOJaejS0FlwV1v+DbIWgm4xScElYzkIVoYOmRVDOqHHcyo/Umr7KOBRlfsuow/BNapVAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:30.522190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052874
observed 5957449a1f84a4ac07b3d26e9f41b898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.505196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052874/manifest.json
observed a5cfbe98113c7da958393d83d95e17bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.487548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052874/publication.md
observed 8933bae3a7c897910f192993db9e4614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.467433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052874/publication.txt
observed 384c9d18b96453ff2deadc25812b13bd...
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.