OpenTechnical

OT-2026-000057497

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000057497) never changes.

Identity and time

Publication numberOT-2026-000057497 · never reused
Internal UUID01a0ae88-2692-7810-a69a-5092801728de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057497
StatusPUBLIC

Content hashes

Canonical textd698d5df313a9aa9af84f45d265ad218db8a588e44dcede893721314a6277984
Markdownea96f7806ae8f6b367a20aaa040834ecadf916d04b62f170bb0156a9549a9e20
PDF
Publication page0e26651b8fd3f8c02bd10c15997164e61b33a025604af9b6e9c1ef97045566d1
Manifest77ec46e44a8e98a5d4e2739a67e5915f34a57ba30b17fc194ab9fcd564b96516

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
SignatureBf13XII6j/XuQHEVE+k1VFUKvKkdEU+3qhp7SLlmbadSVBbuQPspBOjnivDYWswGPp5mZCVe6dD1efV94fFSAA==
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

2026-09-17T10:48:01.415829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057497
observed 0e26651b8fd3f8c02bd10c15997164e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.376884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057497/manifest.json
observed 77ec46e44a8e98a5d4e2739a67e5915f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.356990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057497/publication.md
observed ea96f7806ae8f6b367a20aaa040834ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.317619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057497/publication.txt
observed d698d5df313a9aa9af84f45d265ad218...
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.