OpenTechnical

OT-2026-000060578

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single 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-2026-000060578) never changes.

Identity and time

Publication numberOT-2026-000060578 · never reused
Internal UUID01a0ae8a-b7cd-765a-b31f-3e03136a345c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060578
StatusPUBLIC

Content hashes

Canonical textd379063e69f51c264bd5b825faa390d1ef1ae0d99e9ced44c3ba3539e53afa9f
Markdown1b75f02b0f4096b16b1d172e1b19afc44126a8db0d19888f048a73bf2c14e597
PDF
Publication page66c5dd1ac1dfac72d1f89481f3740da5168d3a71d56ce62a16c4c5c5bd03785f
Manifestf261a967d8f0a9febc1c9794d6b8b79cc433ec2e4b3c62d812864214a238355c

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
Signature9g/1kR4aY1wu9KiwlUdFeyyJ7YA3j0raB4gYhcTAXvztUuNbLr0/vQ4TVhkMAOhx7kPqmTrHgbgMorNUPwbHAA==
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

2026-09-17T10:43:11.777764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060578
observed 66c5dd1ac1dfac72d1f89481f3740da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.758615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060578/manifest.json
observed f261a967d8f0a9febc1c9794d6b8b79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.741233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060578/publication.md
observed 1b75f02b0f4096b16b1d172e1b19afc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:11.722998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060578/publication.txt
observed d379063e69f51c264bd5b825faa390d1...
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.