OpenTechnical

OT-2026-000061683

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000061683) never changes.

Identity and time

Publication numberOT-2026-000061683 · never reused
Internal UUID01a0ae8b-b8aa-70a4-a415-465b2408a13f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061683
StatusPUBLIC

Content hashes

Canonical textc03e47e4161e699e22d5e4befac4bb24cedac53731fd054fdc6724980b9eff9e
Markdownd39444f9dd205e7f7d685c9c9770a8eef684166db153a873ff35ca88fd3c41cd
PDF
Publication pagea39a432c58b328b0bd6b6919f45b698045db1f03aa75f7368e4d2ff569894e5f
Manifest1c275366511b7d9fa9d34cc519f2b4af977a752313d1ef1213d4efd20a55956a

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
SignaturelHYDyTT3QCSHDXlSKM5HK1Kgxl1Fvy7eGoPZd6Z/6t0g/BI6o5/e9SLFWaFksWzSINAzASVkGQJ80wro6mvPAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:14.523939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061683
observed a39a432c58b328b0bd6b6919f45b6980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.504508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061683/manifest.json
observed 1c275366511b7d9fa9d34cc519f2b4af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.445475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061683/publication.md
observed d39444f9dd205e7f7d685c9c9770a8ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.387072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061683/publication.txt
observed c03e47e4161e699e22d5e4befac4bb24...
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.