OpenTechnical

OT-2026-000042120

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000042120) never changes.

Identity and time

Publication numberOT-2026-000042120 · never reused
Internal UUID01a0ae7a-5d71-7e3b-9e5c-ef55ecd9d64d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042120
StatusPUBLIC

Content hashes

Canonical text448812edc267e9209581cc42206f779c346bc4a217a140def27124b54cc46193
Markdownb3d32761de72017176495b377206b0cca7f07947902f1cd5a1675d4b94220830
PDF
Publication page03db566ecc9a81f340ce41cac85a46c12f405b48e91f222b159a85aa4b1e3a43
Manifest8cd2378ea3162b42ee5a06f9f922cdab72c8da3a35122223c44071efe54e854b

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
SignatureSjL9vmyX+//qTfUPHTm8jxkOrVjiy0FQucgeOVM1KeAJwjANA9eMiWYVBytklXitfEOr3CDTVAFkpLydn1TuCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:39.765167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042120
observed 03db566ecc9a81f340ce41cac85a46c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.744219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042120/manifest.json
observed 8cd2378ea3162b42ee5a06f9f922cdab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.725517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042120/publication.md
observed b3d32761de72017176495b377206b0cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.704267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042120/publication.txt
observed 448812edc267e9209581cc42206f779c...
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.