OpenTechnical

OT-2026-000015547

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000015547) never changes.

Identity and time

Publication numberOT-2026-000015547 · never reused
Internal UUID01a0ae6d-ef4b-7aad-aea9-7d56e5405076 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015547
StatusPUBLIC

Content hashes

Canonical textfaed503fbd866e9308c5692b491d974c0e92f34e3b833d7be5d7325bffada758
Markdown08cf93c563524d8abe12457916ae07a80c59709593a0cfdfb92cc0926aeb07d4
PDF
Publication paged3d7a66927c832d00b322e1960888c01b37f03b484a387020d06d36c165e00ba
Manifestec89bde3d94ab64d1a39b167c2a3e85483bd6a67a9d9eeb6e74451eccc83f0e8

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
Signature/TCE1u9jlhLK19dG13p7PBnnbV1TJlfuW9hkmSnYt2IYbrhwEdZXPsBoDxiNN54vctD9M+AugZWEgqkBchhNAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:06:19.880632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015547
observed d3d7a66927c832d00b322e1960888c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.862207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015547/manifest.json
observed ec89bde3d94ab64d1a39b167c2a3e854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.844242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015547/publication.md
observed 08cf93c563524d8abe12457916ae07a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.826028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015547/publication.txt
observed faed503fbd866e9308c5692b491d974c...
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.