OpenTechnical

OT-2026-000049527

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000049527) never changes.

Identity and time

Publication numberOT-2026-000049527 · never reused
Internal UUID01a0ae81-8f7c-7a8f-9065-45954cd06a3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049527
StatusPUBLIC

Content hashes

Canonical text862f5f279c8839a19ebc8a33bc68bf491ca1f427af9755e99a5c55ea0c6140df
Markdownc29c0f179d72f68e68091eca1e86ee8c2346a1d6c9c37c6bb69fd3921520ff74
PDF
Publication page538572b3de5b67badf8fe96f7cd5af70eb2b53f276461d95403088c8a358545d
Manifestcc323eff28b217aed7b21926aa82f556eba724ab22d06179e3e6d1c07c9a815a

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
SignatureS7YTVEjeGV4AY0URZ0i89sJrRRDDM3k4Pf+CUbfo2y2J5TWwjSeO6wMQLgGpmzrdWmAWxH3NcG/4jiXVS6oaCQ==
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

2026-09-17T11:02:23.337810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049527
observed 538572b3de5b67badf8fe96f7cd5af70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.319029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049527/manifest.json
observed cc323eff28b217aed7b21926aa82f556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.300874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049527/publication.md
observed c29c0f179d72f68e68091eca1e86ee8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.280907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049527/publication.txt
observed 862f5f279c8839a19ebc8a33bc68bf49...
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.