OpenTechnical

OT-2026-000062170

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000062170) never changes.

Identity and time

Publication numberOT-2026-000062170 · never reused
Internal UUID01a0ae8c-0abd-7bf3-a963-95f9ab301ffd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062170
StatusPUBLIC

Content hashes

Canonical text6716a7006a8616a02fd679d5c1b6774a20544212e44a40118445283dbbf745c3
Markdown8aa08592255d5e4c4f1dd726553e74ec57410b9cdd2cc14249f4655af4e9f2e3
PDF
Publication page01d31a272badf7604f1e2cdcb275acbae0fcdf48112aa9bad99587b2a2ed6e24
Manifest37c82d0763105ea7ab4ded6d23fc5b649e38166b692c53007112b8f81d052847

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
Signature1aMBBCkSMD4ae6sJT2iaknsj54e7gFZQY8Ny1azcz3YE9N9zw5xb+k6/UJ2MU+OTMBRzDzt5y4Y0dPd9RRjKCw==
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

2026-09-17T10:39:25.476111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062170
observed 01d31a272badf7604f1e2cdcb275acba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.454863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062170/manifest.json
observed 37c82d0763105ea7ab4ded6d23fc5b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.435731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062170/publication.md
observed 8aa08592255d5e4c4f1dd726553e74ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.418858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062170/publication.txt
observed 6716a7006a8616a02fd679d5c1b6774a...
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.