OpenTechnical

OT-2026-000015097

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000015097) never changes.

Identity and time

Publication numberOT-2026-000015097 · never reused
Internal UUID01a0ae6d-d097-7b1a-8009-7be9148d5625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015097
StatusPUBLIC

Content hashes

Canonical text8341abc7a7441d4f9ab2a90e93d61692d6a99e63f620a810c08181fae0300fd5
Markdown1cfa264ea931d5e39810c07fd2b1e37aa21f857b90a9b59dbefa38d1cc52c939
PDF
Publication page393d0c6a632c5b18ded74d9459998a0a4e9206926ca8453fe6c12536a124a10a
Manifest598b424ffeb7a9d1f5a7f765ce28f37cf2e872f5f49f9408db5af534f73a33e2

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
SignaturetEZi+Olcz/KrN535Suy17SG7E8MX089LFR6OorA7zvpeBLpAgzKe/GZD4tGQeq/3ASEy7D7Map0AphG4NHbGCA==
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

2026-09-17T12:07:09.239476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015097
observed 393d0c6a632c5b18ded74d9459998a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.219579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015097/manifest.json
observed 598b424ffeb7a9d1f5a7f765ce28f37c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.199143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015097/publication.md
observed 1cfa264ea931d5e39810c07fd2b1e37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:09.181598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015097/publication.txt
observed 8341abc7a7441d4f9ab2a90e93d61692...
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.