OpenTechnical

OT-2026-000070827

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000070827) never changes.

Identity and time

Publication numberOT-2026-000070827 · never reused
Internal UUID01a0ae91-8c2d-7c38-bc1f-7098ca7908bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070827
StatusPUBLIC

Content hashes

Canonical text860c16a9ee769dbc61d8321b310f1452a9840b9ecbaf26488fe9d3b443b65512
Markdownd34e829e29c67c376b9735960d1581aa2748fdf00eeea45345b4c12e0429198f
PDF
Publication pageb318072243c4dae3b45e07e39715274054169507de1f7293fc3178ac0ca080dd
Manifest33fee923ce7aa1b1b6456d8157d6f6c424fb3569b92f7f09a71ecd23c4bb1241

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
Signature3AV7kXNnC61O1SyWwHi/GXZoSol3tlV2/NpRLWyeV4Zr3SNNg7xyQYUT8a+3qlX4X1RdZ+d9FiKYqXt0XH56BQ==
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

2026-09-17T10:25:38.340287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070827
observed b318072243c4dae3b45e07e397152740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.324071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070827/manifest.json
observed 33fee923ce7aa1b1b6456d8157d6f6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.307774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070827/publication.md
observed d34e829e29c67c376b9735960d1581aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.290747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070827/publication.txt
observed 860c16a9ee769dbc61d8321b310f1452...
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.