OpenTechnical

OT-2026-000081027

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000081027) never changes.

Identity and time

Publication numberOT-2026-000081027 · never reused
Internal UUID01a0ae96-b976-70c0-a342-771d2aa18493 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081027
StatusPUBLIC

Content hashes

Canonical text375f032bd68dc0362a2ed23aba96bf51e860814ae25123f2cfbccfa4f9e70e0c
Markdown51ff099acb157a9c9c1985efeb7edd9de2cbd39c3257424463c51e0342fe72bf
PDF
Publication pagef10a9a1f6afdf71380bf4f4e88241d13417e7b8ac151409252be72cc8fe1bb0e
Manifestc89df6df1fe4676a66f50ae316ea149ad6aa640e0e92a892cf4d820158a8155b

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
Signature1p75rcaDWs/ryZgdWjpopaKiZJc7raxvXbF4CzQvUu3R6MCtDpAT7poqo1//5588C6RFiUh2+xDUchtS3sU7DA==
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

2026-09-17T10:02:18.999645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081027
observed f10a9a1f6afdf71380bf4f4e88241d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.982463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081027/manifest.json
observed c89df6df1fe4676a66f50ae316ea149a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.964680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081027/publication.md
observed 51ff099acb157a9c9c1985efeb7edd9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.947989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081027/publication.txt
observed 375f032bd68dc0362a2ed23aba96bf51...
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.