OpenTechnical

OT-2026-000076845

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076845) never changes.

Identity and time

Publication numberOT-2026-000076845 · never reused
Internal UUID01a0ae94-b070-713a-abef-d2188bef110e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076845
StatusPUBLIC

Content hashes

Canonical text3c3dbe6bdefa61493a656d5d44ce5a2083973fdd471042da05e473bfd7b56207
Markdownc916bfa62b42313807e098d2a3c2ad0cb0129ba0fd93476f3f94172516a6884e
PDF
Publication pagecae887f6c4c05e56a1460e9bd1be74d4f2a891c57ed4fffa2115b2b53a437a24
Manifest8631428e3802a0f22bb809aea346487b40bccefa02c2f049c0b12b06e55102e4

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
Signaturee3RBg5wo4tKorog8qkksljWM+v65owXcMQ2K0QNHDHl/zICGpt63muommUzqBpxX/8Dwko7tbVmWgX+g/5+sDA==
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

2026-09-17T10:09:43.882832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076845
observed cae887f6c4c05e56a1460e9bd1be74d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.863484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076845/manifest.json
observed 8631428e3802a0f22bb809aea346487b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.844502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076845/publication.md
observed c916bfa62b42313807e098d2a3c2ad0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:43.824621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076845/publication.txt
observed 3c3dbe6bdefa61493a656d5d44ce5a20...
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.