OpenTechnical

OT-2026-000073505

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000073505) never changes.

Identity and time

Publication numberOT-2026-000073505 · never reused
Internal UUID01a0ae92-efb9-79b5-a28b-955046b0c69a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073505
StatusPUBLIC

Content hashes

Canonical text8f38eb513298e3de417fb8c96b4ea402be20b6980da1f0b4e1dce6a5192aee6a
Markdown36d2ec098354a5b04b2c811014e52cb90164759afd4cba66fc209f83b14d1206
PDF
Publication pagee7c12acdf939171cd24efc87cab0a6358c5a30ff9a13085d379acbe23cccfdeb
Manifesta1a504df2f40fe7fa80d84a1bf3aa0d899b65deda5e59add251e17e1c61d2211

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
SignatureOD91MnzdpfJiRXGFfb8DvC6A4ct1n2B0T0se93KELvLnGOt8X4fA/LLQvYh4CAcVEBdttPH2eiof4teZMIGpCQ==
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

2026-09-17T10:21:40.523743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073505
observed e7c12acdf939171cd24efc87cab0a635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.504937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073505/manifest.json
observed a1a504df2f40fe7fa80d84a1bf3aa0d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.486555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073505/publication.md
observed 36d2ec098354a5b04b2c811014e52cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.469565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073505/publication.txt
observed 8f38eb513298e3de417fb8c96b4ea402...
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.