OpenTechnical

OT-2026-000051597

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000051597) never changes.

Identity and time

Publication numberOT-2026-000051597 · never reused
Internal UUID01a0ae83-7c81-7f76-aef2-f89f013e1e7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051597
StatusPUBLIC

Content hashes

Canonical text27fcc3a304a841510314daa48f6290bb5043270d4718f52e1f6821400fd83a52
Markdown1888f15f8497dbb757470a8e65e60fbcb7a9861a4c70e9e6e2ff5f4413f048dd
PDF
Publication page46e9a4e4d2665fd31f12e6a207044986bcbba183bb77228c42e9e5d07df5746b
Manifest0396d0f44e9a3aded5a8ecd804d100887a189217e113862e54827bfa18e8c214

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
SignaturemRg7Z9g5r7JDbYqslpc3bG71AOWbjBDaqiCw67u43rOpE1fApUc8AUGMJRkkYdGnWZ0fMXRLxjj4uj+QJFbyBg==
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

2026-09-17T10:58:26.706103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051597
observed 46e9a4e4d2665fd31f12e6a207044986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.687638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051597/manifest.json
observed 0396d0f44e9a3aded5a8ecd804d10088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.669797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051597/publication.md
observed 1888f15f8497dbb757470a8e65e60fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:26.650747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051597/publication.txt
observed 27fcc3a304a841510314daa48f6290bb...
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.