OpenTechnical

OT-2026-000009396

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000009396) never changes.

Identity and time

Publication numberOT-2026-000009396 · never reused
Internal UUID01a0ae6b-7561-70fc-b4e9-55d7745c48ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009396
StatusPUBLIC

Content hashes

Canonical text1aa68f8825f30ecc4d219c163de6c59daffc850a528b1ce46620c488da245a37
Markdownbe81e7b7b54f857ecee09c1ecb8da8ce20a5ebcef9e7b298ac52e5b9986bb6a2
PDF
Publication page170df65adea518efedc28d60f60f175fc6454761c07b0b5732adab7b7819d65b
Manifest6d1036e46c4df7a5d64d224928f40509b81f903dce6d4803b8280449978c2d94

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
Signature7FIBpXoxWAs9oZdVedozqeydkgftzh7XzMcWbN7G6a6BtVD+ZZaq/OdNdzktRVDnlyCpn/k5vtq81mArHcclBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:32.891375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009396
observed 170df65adea518efedc28d60f60f175f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.834188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009396/manifest.json
observed 6d1036e46c4df7a5d64d224928f40509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.814209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009396/publication.md
observed be81e7b7b54f857ecee09c1ecb8da8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:32.701937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009396/publication.txt
observed 1aa68f8825f30ecc4d219c163de6c59d...
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.