OpenTechnical

OT-2026-000039650

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000039650) never changes.

Identity and time

Publication numberOT-2026-000039650 · never reused
Internal UUID01a0ae78-d8d4-712a-a185-6c9c53845233 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039650
StatusPUBLIC

Content hashes

Canonical text7dca662d83fe1e08aa24368e1b771ae9662720d2cdeaf43804ad77a2e3907376
Markdownf44a63b42fb4d65298c3f239152713c7684a2d05dd8ac7c89b222f20b7016f81
PDF
Publication pagee77a4fad4cddef413f893f93a4765a2af06f57df53dc3edc0a65d3502d7b81a1
Manifest0488bd8da0ef2daa62bb22635be66f496ed5ca24be35d2c41b9a6986b0562590

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
Signaturej2l8u4hNQCDT3KWkFfI81cFEJynjWVqWeSIs5XkylZJx61+ca7H5IaQ/cBXTr0+HvFdYElUnJS6kOPpOj1zzBw==
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

2026-09-17T11:19:49.592488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039650
observed e77a4fad4cddef413f893f93a4765a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.574093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039650/manifest.json
observed 0488bd8da0ef2daa62bb22635be66f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.557704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039650/publication.md
observed f44a63b42fb4d65298c3f239152713c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:49.541594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039650/publication.txt
observed 7dca662d83fe1e08aa24368e1b771ae9...
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.