OpenTechnical

OT-2026-000008674

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, vented before 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-2026-000008674) never changes.

Identity and time

Publication numberOT-2026-000008674 · never reused
Internal UUID01a0ae6a-e46b-7e20-8d6f-85f235003f23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008674
StatusPUBLIC

Content hashes

Canonical text9d48c869387881df56a3570dd24eee21b013649653368fe42402f275efd5ca8a
Markdown60fe5153cc843861e061c80dbc5bdaf1344ac78d76596c8d71ab29361c48a54d
PDF
Publication pageca85a90e3e540c7da9547918100dbbadd073959c4ed445f3f2535c6599fb6067
Manifestc56f1f9135c852c3818aeb8029cdf7f93fcd45e6d6a935d0e14da2df6685b712

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
SignatureVnScNElIjyN1S/GM6s6bFU+raRLl5fdnlGVwkD4UDkPHUFK2yTPG3IxOaU5vafqUkHyLQcnJpYF/P32lR9E2Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:39.423272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008674
observed ca85a90e3e540c7da9547918100dbbad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.405134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008674/manifest.json
observed c56f1f9135c852c3818aeb8029cdf7f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.387988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008674/publication.md
observed 60fe5153cc843861e061c80dbc5bdaf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.368487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008674/publication.txt
observed 9d48c869387881df56a3570dd24eee21...
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.