OpenTechnical

OT-2026-000088175

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000088175) never changes.

Identity and time

Publication numberOT-2026-000088175 · never reused
Internal UUID01a0ae9b-1aa8-74b5-b46b-53f798e4b221 · 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-2026-000088175
StatusPUBLIC

Content hashes

Canonical text005d17565f5eb6e59e164b8794cbeff7ca7a852041022749c77b76656658c6c1
Markdownfe18d35951115b23367ab9aebec24bbf9f11cd843c9bd87b2143701ddc89c432
PDF
Publication page8fc491a4a0799da643aedf2fb868a7279b130600819bb869eecc3f7a27c16241
Manifest3cdb9edd61a9686f2b188992e4b58477aad08e3ad857fc2c82bd8bc868f0d879

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
SignatureeD2iBczyJc1fDC1C5sbnuoZLt2O2A5cDCdXtkwLIZ/nsDB/y1uyAf0wB9O+mFrxaEvbnWMr9BuwkIBRaQDJNBw==
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

2026-09-17T09:50:14.235076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088175
observed 8fc491a4a0799da643aedf2fb868a727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.215748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088175/manifest.json
observed 3cdb9edd61a9686f2b188992e4b58477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.199415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088175/publication.md
observed fe18d35951115b23367ab9aebec24bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.184174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088175/publication.txt
observed 005d17565f5eb6e59e164b8794cbeff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.576031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088175
observed 8fc491a4a0799da643aedf2fb868a727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.559850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088175/manifest.json
observed 3cdb9edd61a9686f2b188992e4b58477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.541667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088175/publication.md
observed fe18d35951115b23367ab9aebec24bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.525222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088175/publication.txt
observed 005d17565f5eb6e59e164b8794cbeff7...
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.