OpenTechnical

OT-2026-000061590

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000061590) never changes.

Identity and time

Publication numberOT-2026-000061590 · never reused
Internal UUID01a0ae8b-7b45-7369-a3d2-e8a8caf82e15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061590
StatusPUBLIC

Content hashes

Canonical text410cda38b1c4f131f35163476b4e879f92a8eb1f0599b05c41dd6f641c03a3d4
Markdown6b458c798a0123334c7b1a5fdcefcebb44a757c09bc41659f174156ff8b2506e
PDF
Publication pagedf0e440f168293e3cf0ced85fac1f413c380e36b1ec470d5476af7d46bcfd8bd
Manifestd4ba54b9ef08e5609e796bb484b5ff0322771cdacb3f81c6a93fa9e2e7d16d7b

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
Signaturebrei130LlalMIZgoW3SOxNgFkMwLDRY4gOjr7xnIxDcMlAhAdDZX3OkRMwV8iOJ0bjNcxsgvfSnh8gz3YF24DA==
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...

Independent retrieval

2026-09-17T10:41:30.792815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061590
observed df0e440f168293e3cf0ced85fac1f413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.775063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061590/manifest.json
observed d4ba54b9ef08e5609e796bb484b5ff03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.753735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061590/publication.md
observed 6b458c798a0123334c7b1a5fdcefcebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.735322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061590/publication.txt
observed 410cda38b1c4f131f35163476b4e879f...
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.