OpenTechnical

OT-2026-000070091

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000070091) never changes.

Identity and time

Publication numberOT-2026-000070091 · never reused
Internal UUID01a0ae91-1861-71ed-a7db-87b7a6ca6bb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070091
StatusPUBLIC

Content hashes

Canonical text52e29dab769f6715c60d357486638073d8961697341e1f497ccbbcf2f4868e8c
Markdown56450e4fac2b9f7896f834d9e44cf9ba6c0385fe1cebd4b2f91e699394f5ca3c
PDF
Publication pageb0dd1154c43357a5097e66f0590a477e6632bcedfc4d61b51a0666eec6108a44
Manifest3e45581bc2bd4031bcb0f3078bb89d9dbf4e01b7b2051008b17e13f7b22f4ba4

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
Signatureg+GvfJgORw5jdkDHK4rE8a8vVzQFeQrIrF9ViGyUlK+2tUsPeHZtn8wrwVCaaTVd5lmyq1+T4TIBtAiCwFp2Cw==
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

2026-09-17T10:27:03.578294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070091
observed b0dd1154c43357a5097e66f0590a477e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.559796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070091/manifest.json
observed 3e45581bc2bd4031bcb0f3078bb89d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.541698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070091/publication.md
observed 56450e4fac2b9f7896f834d9e44cf9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.512356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070091/publication.txt
observed 52e29dab769f6715c60d357486638073...
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.