OpenTechnical

OT-2026-000043466

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000043466) never changes.

Identity and time

Publication numberOT-2026-000043466 · never reused
Internal UUID01a0ae7b-92ce-751d-bb75-9a5678921fd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043466
StatusPUBLIC

Content hashes

Canonical text501ca09cbbbfc7f805451cbe11cd828e4d9b24204366dc0747213cabd544a9c7
Markdownf86af75b68e2d5532082ad65e9e8985b9a8292ed00a5b43f557af17d3510b832
PDF
Publication pageacdd09928e6deef15ccf3c08d67100b5ea8512f12637f2c78bf4d8d8c064d616
Manifest235f603b01772e36ae38c9d85f66997600749cc2dd33101968a62197838d1afc

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
SignatureaWSHXa0Ee+OQBmD3hMHRSB8cVM4tvLvs7qJbQ7RyeRbQQKfw1lwuolbrIlYVqDgxX6FIroiZZn5brYorRxenDw==
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

2026-09-17T11:12:49.173045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043466
observed acdd09928e6deef15ccf3c08d67100b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.154607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043466/manifest.json
observed 235f603b01772e36ae38c9d85f669976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.133949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043466/publication.md
observed f86af75b68e2d5532082ad65e9e8985b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.111253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043466/publication.txt
observed 501ca09cbbbfc7f805451cbe11cd828e...
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.