OpenTechnical

OT-2026-000068790

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068790) never changes.

Identity and time

Publication numberOT-2026-000068790 · never reused
Internal UUID01a0ae90-6dcb-7e8d-a327-2d7b3eaf04b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068790
StatusPUBLIC

Content hashes

Canonical textb72e890502aba88987205f32152997f50be0054bad55029471c0b8f5bc6ccc0c
Markdowna2e336afa2d749f2ef9c7a30e526ca31147b512ed708470479579b2b587905ee
PDF
Publication page999b4141e42cf2402bb8192add8ee88d2eb567ab1774e536d8862134b78925ab
Manifest9c3a2a82860ea9aef9faad7b64e1cb725c10cd39f845850329ca412031fa0ab9

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
SignatureyXlQYsdEKXWrdtHtHanId0tf8pxp2qBGoQv8hE7m5Y/qfKU8XM75N8a+J0RJgaz2z3TLQ8K7xjX0l/O1m40wDw==
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

2026-09-17T10:28:35.237176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068790
observed 999b4141e42cf2402bb8192add8ee88d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.219034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068790/manifest.json
observed 9c3a2a82860ea9aef9faad7b64e1cb72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.199487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068790/publication.md
observed a2e336afa2d749f2ef9c7a30e526ca31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.182031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068790/publication.txt
observed b72e890502aba88987205f32152997f5...
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.