OpenTechnical

OT-2026-000089618

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000089618) never changes.

Identity and time

Publication numberOT-2026-000089618 · never reused
Internal UUID01a0ae9c-1a21-7ccb-98f2-5508c59fa3f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089618
StatusPUBLIC

Content hashes

Canonical text6ef0e3cf3f8e3cdd2c70734c9b76b33a77c7e595d4c3000fb9464a4934613bbc
Markdown9058053615de76cc9097d54cc95cd62709df0d0d51cda5b20cfe3b9626b776ee
PDF
Publication pageba85b7eafc3648988db8ec357c0d5a5186bbbeefdda228d03bb0b140524c6842
Manifest1b99cf8aa6c68aa26d569aaf06b2ec15b51d869efb153eed3b3812cc8f29c987

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
Signature0D1CN/xX2sCa4InfgIk8XAovrn9GT91NTcaR1ZCRzGs7QmPyBoxvPCH91mJjCigQF6e8r9lJDfwJB26NZdkPDg==
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

2026-09-17T09:46:36.093349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089618
observed ba85b7eafc3648988db8ec357c0d5a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.077822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089618/manifest.json
observed 1b99cf8aa6c68aa26d569aaf06b2ec15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.060977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089618/publication.md
observed 9058053615de76cc9097d54cc95cd627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.043479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089618/publication.txt
observed 6ef0e3cf3f8e3cdd2c70734c9b76b33a...
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.