OpenTechnical

OT-2026-000034575

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000034575) never changes.

Identity and time

Publication numberOT-2026-000034575 · never reused
Internal UUID01a0ae76-1ed0-7e42-a0cd-97f25472cd33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034575
StatusPUBLIC

Content hashes

Canonical textbf1b6c0450989ad51df01b7354e53c67b81cb4e2941a1ca1bbba62f5a89e9a24
Markdownd8faaae2a80f15ab7d3d1b6ee0d44699fce47944b2f887a1a36141bc302f5df1
PDF
Publication pagef07e08735c15f9ab46a13167a6b9aa9ff98628ecc11add7c30ea12c3446e609a
Manifest68e062b651928497cd40c95a90b379adc3198f1198fc0f9e9913fec9f50e4350

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
SignatureUC9fq5fKRX3SAW7PvZDigby1PDsSfTFMbdhZKrUD2iCKphbtp4KLyq2gBVmOlUqwuzTY8BBllM7Vty3uVAMxAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:28:56.650333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034575
observed f07e08735c15f9ab46a13167a6b9aa9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.633792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034575/manifest.json
observed 68e062b651928497cd40c95a90b379ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.614103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034575/publication.md
observed d8faaae2a80f15ab7d3d1b6ee0d44699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.596370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034575/publication.txt
observed bf1b6c0450989ad51df01b7354e53c67...
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.