OpenTechnical

OT-2026-000089739

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000089739) never changes.

Identity and time

Publication numberOT-2026-000089739 · never reused
Internal UUID01a0ae9c-1a22-72fe-8791-11ed24b87f39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089739
StatusPUBLIC

Content hashes

Canonical textccd47ce311105010866053568d8422ef2f4b456c1cfe7dc814209e869de7801c
Markdown4bd60a2faacd772d660e00f1fe94fb17be3dad56cc789ebed7dc9ff8fc498cf0
PDF
Publication page469e27c8e9c0f04fd6645f7f1904a422783e58719ecfdbbb78d8b58aad000a29
Manifest72f992fdd5180e7d8099d248c2b5c9735a6794b932d5f8414d2f63c434f46be2

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
Signaturemhy482Ek+X4lzHCi8usWxRDqzZYcRqBv0BfvzGRxsI6TEqw7WMFAWb9gDHoLlSyfdnYFgIU0U6pT0vFh4sIBCQ==
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

2026-09-17T09:46:44.847547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089739
observed 469e27c8e9c0f04fd6645f7f1904a422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.830961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089739/manifest.json
observed 72f992fdd5180e7d8099d248c2b5c973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.815695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089739/publication.md
observed 4bd60a2faacd772d660e00f1fe94fb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.798685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089739/publication.txt
observed ccd47ce311105010866053568d8422ef...
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.