OpenTechnical

OT-2026-000044560

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000044560) never changes.

Identity and time

Publication numberOT-2026-000044560 · never reused
Internal UUID01a0ae7c-39d9-7edf-9ab5-20c76cc422be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044560
StatusPUBLIC

Content hashes

Canonical textbd40169d247e1a4e4386a4226c1a2074804ea9b75486cae9846be86ab8461bfd
Markdown4cff9a92de25794a24bc5bde5ed55729f6660b0d0a4b01ff6bbcce5585120d6e
PDF
Publication pagec96d5b3181973af2561de1217f04ad755857f8dd5aafd48c3650807317b32dd4
Manifest7831b9e9def316842750238073a901758c0422aeaddfe17a3f54f45199108bcc

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
SignatureDK0IQX1YgNh3+zoKyG4QmwbobYOmDAYUgqNKM+Jj8ydsaKcLV+N/4poZA8QDOLOZqOm1e831SF83z/PL3s+JDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:11:45.109213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044560
observed c96d5b3181973af2561de1217f04ad75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.090667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044560/manifest.json
observed 7831b9e9def316842750238073a90175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.072346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044560/publication.md
observed 4cff9a92de25794a24bc5bde5ed55729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.052682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044560/publication.txt
observed bd40169d247e1a4e4386a4226c1a2074...
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.