OpenTechnical

OT-2026-000061203

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000061203) never changes.

Identity and time

Publication numberOT-2026-000061203 · never reused
Internal UUID01a0ae8b-1380-724d-9db4-f298a7fbab96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061203
StatusPUBLIC

Content hashes

Canonical texte83c09825e3c1465c0d33395ccea561cc58f5a2c81d16f3a14287d05c98a3196
Markdowne6bf0aa6f9ffe852ec1ef6c273d336456006eb53f289694acfe0c9e2b0c525b1
PDF
Publication page8cd40275a6593073b22628c7cc791058ed1f5928b25e315d81e74a1e2e877d7a
Manifest3528bf46cabcc1a3901cecce6f1af2d7aadd0d2584998b3d6c66cca058195467

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
SignatureZhSCHKP916CGS61lq2C64koVBSwJM5kCUeYrexV2uhHZ0b7mBmr3TfnyOtR7hj/dD70Mt1wPo+UGJWcpCCMbAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:36.152143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061203
observed 8cd40275a6593073b22628c7cc791058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.133635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061203/manifest.json
observed 3528bf46cabcc1a3901cecce6f1af2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.114539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061203/publication.md
observed e6bf0aa6f9ffe852ec1ef6c273d33645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.095093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061203/publication.txt
observed e83c09825e3c1465c0d33395ccea561c...
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.