OpenTechnical

OT-2026-000026608

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, sustained blow-off 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-2026-000026608) never changes.

Identity and time

Publication numberOT-2026-000026608 · never reused
Internal UUID01a0ae71-f4a9-74d0-bdad-0ffafce9b94d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026608
StatusPUBLIC

Content hashes

Canonical texted42e630768de6407b299b73df8fc60b382ec33fd4ecc78c24079cfff9e5cd77
Markdown91516f0bd1fcb2715b2725ee2b5319a8e6f51a3abfabfbc503ee79307df4ed0e
PDF
Publication page2ebe1b92a0ee34335c2bc69e2824fc149c9efc2ad316d07f6623a938ff7123a4
Manifestd87f71c0adb50f6f97a26fb81f1fbb30b8a74cbf7cc6e45de8717bd1da9b8e0a

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
SignatureEvD3BsqKYjbdHdEOHG+jIrEjjt3juKYc6W016XhBGCXfzRYw1ufn59FZqtgt5mfLN38Wk8tUgkfG1fYc6NztBQ==
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

2026-09-17T11:45:40.857691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026608
observed 2ebe1b92a0ee34335c2bc69e2824fc14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.836954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026608/manifest.json
observed d87f71c0adb50f6f97a26fb81f1fbb30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.819234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026608/publication.md
observed 91516f0bd1fcb2715b2725ee2b5319a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.801600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026608/publication.txt
observed ed42e630768de6407b299b73df8fc60b...
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.