OpenTechnical

OT-2026-000066659

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000066659) never changes.

Identity and time

Publication numberOT-2026-000066659 · never reused
Internal UUID01a0ae8e-ce42-7bf3-aaf5-208f999d8323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066659
StatusPUBLIC

Content hashes

Canonical textcfd9395f27eeb6ef175edab8bc94cb14b20b500ef00f8aa5c91d7f3d741fb7ba
Markdown63ef989e7cc5561f38eb7f6c530c635641abaf4f2a027a1b56b83a49cb777c26
PDF
Publication page473efb0a61d758077b27a0deb2b3ed038160699ac03d174a9e13a2dc57e6d0ce
Manifestae85d67a244dbce8df9139fee932e73040bb455a290d706d682b2c2ca7b651cf

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
SignaturelNeFq1hXEDV1aAIFMVPp40ocV2aTyshxQ+2QmBdCjRv347L2anCgm1Mo+2k4cv31/H+IecMRR0h0aVVgy79mBg==
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

2026-09-17T10:33:02.805905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066659
observed 473efb0a61d758077b27a0deb2b3ed03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.788053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066659/manifest.json
observed ae85d67a244dbce8df9139fee932e730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.767827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066659/publication.md
observed 63ef989e7cc5561f38eb7f6c530c6356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:02.747291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066659/publication.txt
observed cfd9395f27eeb6ef175edab8bc94cb14...
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.