OpenTechnical

OT-2026-000089776

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089776) never changes.

Identity and time

Publication numberOT-2026-000089776 · never reused
Internal UUID01a0ae9c-1a22-7ba6-954d-65ca50c36358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089776
StatusPUBLIC

Content hashes

Canonical texta3cf7d8863a1246a913bbdf967e82312bc332f2fea0d5cb75bcb87dfeeb28c0d
Markdown51b36b1c2a19584a875fde5c1c68b648e3a538c5def667fc1e7aa8e59b3cfd83
PDF
Publication pagef51f5a930d946e7f44cc58d07952d170b0df02fa75a89cb7d62b74b170155052
Manifest13f9b0048bcea1e8eb96525c835a3aefbe90d7f80513bada3429074753a75a1c

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
SignatureSiu95kRD253xH4zg9ylOddhJEHf38XxOjJrgeJQmaGQTFC+hUbx69kn2VGs8bHDtNvQ8+2TFql4omrm57FGrBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:51.867561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089776
observed f51f5a930d946e7f44cc58d07952d170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.848550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089776/manifest.json
observed 13f9b0048bcea1e8eb96525c835a3aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.825814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089776/publication.md
observed 51b36b1c2a19584a875fde5c1c68b648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.804622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089776/publication.txt
observed a3cf7d8863a1246a913bbdf967e82312...
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.