OpenTechnical

OT-2026-000073570

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000073570) never changes.

Identity and time

Publication numberOT-2026-000073570 · never reused
Internal UUID01a0ae92-efb9-7178-b0c6-b411d20f8563 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073570
StatusPUBLIC

Content hashes

Canonical text0801eccf4903c407a589b8a39935706fa98bef39b5c7f81e8a50e9e7a0a66a19
Markdowneefef6ae11ad1a90896398f6daae9797a674a7e1b18cffedca0af13b00b4fe56
PDF
Publication page1c58c543210e53e7f55a27120c85c2a5bc1ac26df5303ba1a6dcc802d97d4dd8
Manifest5ea2664b7080eff101da1d7aa1963a625a3f3d6721a3ca57ff72f2f75687a0e0

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
Signatureojlr6iPjVK7RHFPpwP+Wlr7YUeem6hritac10Di8mdzZI9vh1362KFcPcGdxd7rkQTmjcgXcQ43pNB1MEHmuCA==
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

2026-09-17T10:21:44.711875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073570
observed 1c58c543210e53e7f55a27120c85c2a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.693621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073570/manifest.json
observed 5ea2664b7080eff101da1d7aa1963a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.675980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073570/publication.md
observed eefef6ae11ad1a90896398f6daae9797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.658425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073570/publication.txt
observed 0801eccf4903c407a589b8a39935706f...
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.