OpenTechnical

OT-2026-000054803

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line 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-2026-000054803) never changes.

Identity and time

Publication numberOT-2026-000054803 · never reused
Internal UUID01a0ae86-1285-7ee1-8ebd-4a58ca349d86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054803
StatusPUBLIC

Content hashes

Canonical textda9c0b018db9e562a6e9b746f2b3b3d345b2495e65ac5d53bbb4a3f7be32a360
Markdownde5c02192d91437ca58d5c59bf0bbe767ec0e88ddabaa07134571033b6891940
PDF
Publication pagea7e6a0c94f34b457a70af5985cd0ee69366a7ce1d362e58e8f37ac45ec9f4318
Manifesteb3ef1e5d4109f3c1d98f64cb36867462a6e00d3ded14c36289ecbd4d89187c5

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
SignaturedjSFr5sgrHDYzxyOkwyzYnx159QSt8436MOfJnfdhhi5wUCmq9ecRd9cZtfaRrSxAxG09x8I7j/ymy8eZgUeBw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:00.338339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054803
observed a7e6a0c94f34b457a70af5985cd0ee69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.320280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054803/manifest.json
observed eb3ef1e5d4109f3c1d98f64cb3686746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.302654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054803/publication.md
observed de5c02192d91437ca58d5c59bf0bbe76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.284961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054803/publication.txt
observed da9c0b018db9e562a6e9b746f2b3b3d3...
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.