OpenTechnical

OT-2026-000081540

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000081540) never changes.

Identity and time

Publication numberOT-2026-000081540 · never reused
Internal UUID01a0ae97-0f71-7d94-86c3-cae1dec06099 · 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-2026-000081540
StatusPUBLIC

Content hashes

Canonical text7afc923c2badf2beb02f82d30c82559d950e5c6afbe39e76053c18706bea24d1
Markdownb1b2e2e8e9e6b53b818f4ceed3a8cfd2cb0c4e8db8bf9a6334e7b748fff6391e
PDF
Publication page5a901208c2b7e526ca1e467f00da3e3d503a722f4df49d57d92d0913c950088e
Manifest40381ecf40708a00958c9b9e3af7273314857ef28a0aba277c368f52c850dfe2

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
Signature7RPWJnDq+OccLnHsm3yaqsBCM9I5Ur83MhuOcd0YSS/JTFkiVkV4F1hTq2/n9jmN1H99T21ycTae0YuZvHDtDQ==
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

2026-09-17T09:59:33.771974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081540
observed 5a901208c2b7e526ca1e467f00da3e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.753874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081540/manifest.json
observed 40381ecf40708a00958c9b9e3af72733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.737040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081540/publication.md
observed b1b2e2e8e9e6b53b818f4ceed3a8cfd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.718939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081540/publication.txt
observed 7afc923c2badf2beb02f82d30c82559d...
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.