OpenTechnical

OT-2026-000061841

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000061841) never changes.

Identity and time

Publication numberOT-2026-000061841 · never reused
Internal UUID01a0ae8b-b8ac-7ddd-af86-db9a85c0cfc2 · 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-2026-000061841
StatusPUBLIC

Content hashes

Canonical text88366bc4ac61b3a1770854485fed2a638c9342df27d6a5aa7a444a37f69a354e
Markdownb1132f600fe001f03806299645a4a21e0569a011ae381189a43d9a527bcf0fbc
PDF
Publication pagef9bd67675dc7ff2accd5c22a12e560f96f5e2ac94d77bb948d7a8f0f3e774393
Manifestb9af04e7f02e11099a0f47c77f44d1d2f8a3c8a0c39490925438189b11e3f506

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
SignatureIiWk8qxmZ8usjbk5vhGOHaV+JRUJZ51af2UDA8egBwfC4L7DJXt6oLjD427lDRLP854bAyMphucKyPNwHB03Dw==
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

2026-09-17T10:40:41.177314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061841
observed f9bd67675dc7ff2accd5c22a12e560f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:35.119454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061841/manifest.json
observed b9af04e7f02e11099a0f47c77f44d1d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:35.097851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061841/publication.md
observed b1132f600fe001f03806299645a4a21e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:35.075950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061841/publication.txt
observed 88366bc4ac61b3a1770854485fed2a63...
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.