OpenTechnical

OT-2026-000061560

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061560) never changes.

Identity and time

Publication numberOT-2026-000061560 · never reused
Internal UUID01a0ae8b-7b44-780b-b11e-8fef6ee5dfa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061560
StatusPUBLIC

Content hashes

Canonical textd793253ba75ec55e678f067843230979b5166e938412d6d78953f283a72c19e3
Markdownf8c7afa74f9f7a077f3c067237c67e4eb30f3be422d1173d547a319a4b082d59
PDF
Publication page70f9c983b57c80dc2a68ea0bfb212347f306076b4d0d47e17ff3f7391cd96029
Manifest19859071084cdda29df3e7e9a2fbb8c41985989aae41a611ca30ba4d6c783dfc

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
SignatureItDH7PCPWE7ypPy0zapRNyHEfTMzhk5B7RglMycB75kzEAZ9RFylnN9fDlj4cuCGvNhYUBoFCbfsdjx4yIMmDA==
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

2026-09-17T10:41:28.454405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061560
observed 70f9c983b57c80dc2a68ea0bfb212347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.437769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061560/manifest.json
observed 19859071084cdda29df3e7e9a2fbb8c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.419607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061560/publication.md
observed f8c7afa74f9f7a077f3c067237c67e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.400634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061560/publication.txt
observed d793253ba75ec55e678f067843230979...
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.