OpenTechnical

OT-2026-000056527

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, supply line 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-2026-000056527) never changes.

Identity and time

Publication numberOT-2026-000056527 · never reused
Internal UUID01a0ae87-7af5-7044-9f33-34c04d5387a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056527
StatusPUBLIC

Content hashes

Canonical textbcacc5e77934c84d4bb0a78e0028ac1e7432c5d93ea2a0cb1ff8dc6baa6b4fa2
Markdown635543e2f955d4860b145a605bd0f7cd974c45b3c7faa76c810077e6669b96f6
PDF
Publication page3de13b77bc9762486b012bdc7dd9c577a7af99720a923a2fbf83cdb0894c2635
Manifest23490d8da5c001aa81f9698aeab216db98ebe5389d58c905bbfb7a49299618fb

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
SignatureK7ArbxqaVBtRjxRVg2Y9W1gnXZ1ySjOVndaIzc9gGHaieUKc/Ll6lfbRosh4zM1CvR7xffpIcdR9UUAOOUN0Bg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:51.282020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056527
observed 3de13b77bc9762486b012bdc7dd9c577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.264997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056527/manifest.json
observed 23490d8da5c001aa81f9698aeab216db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.245171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056527/publication.md
observed 635543e2f955d4860b145a605bd0f7cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.224940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056527/publication.txt
observed bcacc5e77934c84d4bb0a78e0028ac1e...
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.