OpenTechnical

OT-2026-000051646

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000051646) never changes.

Identity and time

Publication numberOT-2026-000051646 · never reused
Internal UUID01a0ae83-7c82-7b2e-8d5e-448cdc347472 · 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-2026-000051646
StatusPUBLIC

Content hashes

Canonical text9ad3f00a9063bed14430406aaaf17ce987f69fc4ec6d290b67d7d229353d4b1a
Markdownabbb1e57740fa4b886818e7d4ae31566e06c8f01d2326f076c1e53a1b4a201ff
PDF
Publication page1b2169a62604896113af995c476b445dd8142df681c706b6d69b992c505af044
Manifest47a9d4bc9089c10f963886035c50625bca8c4d9efa0bb547e120485de2bd5ef5

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
Signature4gMLcJqDoDwXlQyf11YrQMjsKiHqbuEHQB5R0ungMq3pUKLEYUKwI6YCdX7GOLQZhp0txGCo2sPR9K85IJxaBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:30.559574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051646
observed 1b2169a62604896113af995c476b445d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.542217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051646/manifest.json
observed 47a9d4bc9089c10f963886035c50625b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.525701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051646/publication.md
observed abbb1e57740fa4b886818e7d4ae31566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.506764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051646/publication.txt
observed 9ad3f00a9063bed14430406aaaf17ce9...
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.