OpenTechnical

OT-2026-000081648

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000081648) never changes.

Identity and time

Publication numberOT-2026-000081648 · never reused
Internal UUID01a0ae97-0f72-7827-a1a3-4d3313810f1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081648
StatusPUBLIC

Content hashes

Canonical text2b0e066007b18f617319e28f438b444670c21d98c1cb3e7ff448250d66c83125
Markdown8b3c0ce304a96f11b67ccc34726e52027e04c73ad979a513fc5f91f8ee968be3
PDF
Publication page22ef05fc77a9c1948b6104536e6fb8c6e614b419389e24ab572cf53a843db545
Manifestc4f5977777e257b1b17eb2e9e1af345807965d8a07eaf1185ebb5863149fbc4a

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
SignatureUZ70kmTp6gdSQCYMqN5lgF9G2S2pIOkUpKyQMJI9S7jGZAvSZeAinRjtOISSNmARQUmTKCGYNJSg+FoUXnEOAg==
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

2026-09-17T09:59:42.063437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081648
observed 22ef05fc77a9c1948b6104536e6fb8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.047077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081648/manifest.json
observed c4f5977777e257b1b17eb2e9e1af3458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.031699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081648/publication.md
observed 8b3c0ce304a96f11b67ccc34726e5202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.014770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081648/publication.txt
observed 2b0e066007b18f617319e28f438b4446...
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.