OpenTechnical

OT-2026-000071904

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, vented 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-2026-000071904) never changes.

Identity and time

Publication numberOT-2026-000071904 · never reused
Internal UUID01a0ae92-47c0-794f-9aec-d39fa8d467b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071904
StatusPUBLIC

Content hashes

Canonical text46fe4002f6ba7a4c27dcc32d70e367bf6bddbfcf71b007e47d19038e78b2936d
Markdownd3bb25d581be1d422b3a8fec3507dbeba3df02460c39575f2d6f249e8cb569aa
PDF
Publication pageb9c41ba78270ac6dfda77536b73cfe879ec335047ca1242f7279b3f317274bc1
Manifest6b6c2c911aa321a0213401f5de9046b8dd7ade9ab4fc0068ee1f5f3f439ed875

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
Signaturei+F0aFL1i6Ccn8FPmHzkkOKPXtoC0GUWqWoYa3EuW2iAuUA4tGZXvXs3BfkOX80JpBXooFiTRzcpXZnMTOPyBQ==
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

2026-09-17T10:22:55.714636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071904
observed b9c41ba78270ac6dfda77536b73cfe87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.696623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071904/manifest.json
observed 6b6c2c911aa321a0213401f5de9046b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.679070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071904/publication.md
observed d3bb25d581be1d422b3a8fec3507dbeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.662113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071904/publication.txt
observed 46fe4002f6ba7a4c27dcc32d70e367bf...
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.