OpenTechnical

OT-2026-000009107

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000009107) never changes.

Identity and time

Publication numberOT-2026-000009107 · never reused
Internal UUID01a0ae6b-31b8-77a3-a54f-faf03f3ac85f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009107
StatusPUBLIC

Content hashes

Canonical text9597ea534ceff535e902f534931bb4573f8f8bec1932f3604b09c070acbb5ebf
Markdown49c3cd271509b4137212fecc00cbad1f6b9cc7ff2a98cf1636838a1f41918c4d
PDF
Publication page0933ca2d41c55f7c051600d0293f827187e89fa72730f61d2f7c425511873108
Manifeste5dca7464c108d5bda4ee7ce3e91038edfe7d3b83ce3107f6c0653e6fd10106a

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
Signature3LYgxt+P//kMurUS8PwnJrcPWC23C8BeKM+Z9JYEMEB0iU98lHeyUoxiV1V4DxG8b+xVmyej4hw1o/KlR8YODQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:47.361682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009107
observed 0933ca2d41c55f7c051600d0293f8271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.342163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009107/manifest.json
observed e5dca7464c108d5bda4ee7ce3e91038e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.323605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009107/publication.md
observed 49c3cd271509b4137212fecc00cbad1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.301713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009107/publication.txt
observed 9597ea534ceff535e902f534931bb457...
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.