OpenTechnical

OT-2026-000088231

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000088231) never changes.

Identity and time

Publication numberOT-2026-000088231 · never reused
Internal UUID01a0ae9b-1aa9-7fd7-9dc3-65af8172f359 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088231
StatusPUBLIC

Content hashes

Canonical textafad167cffa7b28ce04cdb2d852567994be8bdc572af5d213453442dca9c3ddc
Markdownb0cc483e3e3273ff1b4344cfa090753e485712c72d1dcbc71862179b39a28a08
PDF
Publication pageae88dc1cb815f0d049f885c2a5405aa80becc6c30ddaa00bd3b78f5f08edfff4
Manifest6e1b6900c6c6a6efeac5bd2439ac094a92b5cbf8f329e260ede14a1ebab19efb

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
SignatureLjtJUN9y2kQI3N1nK2uN8n7ubbj7s7ES0SmsB98H2Uvuv0OJjrD2A/5/N5GmaJhtnWy5vzYL0nmJFV9i1xK6CA==
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

2026-09-17T09:50:19.945648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088231
observed ae88dc1cb815f0d049f885c2a5405aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.927301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088231/manifest.json
observed 6e1b6900c6c6a6efeac5bd2439ac094a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.907285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088231/publication.md
observed b0cc483e3e3273ff1b4344cfa090753e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.891664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088231/publication.txt
observed afad167cffa7b28ce04cdb2d85256799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.532116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088231
observed ae88dc1cb815f0d049f885c2a5405aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.510018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088231/manifest.json
observed 6e1b6900c6c6a6efeac5bd2439ac094a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.491026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088231/publication.md
observed b0cc483e3e3273ff1b4344cfa090753e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.471488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088231/publication.txt
observed afad167cffa7b28ce04cdb2d85256799...
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.