OpenTechnical

OT-2026-000016840

Publication integrity record

Single bellows cup vacuum gripper, two 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-2026-000016840) never changes.

Identity and time

Publication numberOT-2026-000016840 · never reused
Internal UUID01a0ae6e-5919-7b6d-952e-c4a8a3c62ac6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016840
StatusPUBLIC

Content hashes

Canonical textde5b1343276f64d6c3a8de0e1f2acfe8b00cb48743676ebb9080f9ce91842adb
Markdown409c27e1e7ddca547bc0798153f5435e73accb3a9f1c93abb8bf8e63de6db9c9
PDF
Publication page4ee6af8f08398dfee0c34f5cee57e963182f7c1a70a8f636d326ac1c228231d4
Manifestf0e2fecddacc3da7cc217d0bda38f1a4dbb4dc001fda5e7a238d4c757035e729

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
SignatureXOZABE0zgQGytJNrRXPCjiFBEcKCVibQVTsx6wbAih4ZR0FDUx2Iegq6fOB54B0jYMHY2RTi76V3sZ4GY/R2BQ==
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

2026-09-17T12:03:06.092155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016840
observed 4ee6af8f08398dfee0c34f5cee57e963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.074796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016840/manifest.json
observed f0e2fecddacc3da7cc217d0bda38f1a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.056694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016840/publication.md
observed 409c27e1e7ddca547bc0798153f5435e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.038894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016840/publication.txt
observed de5b1343276f64d6c3a8de0e1f2acfe8...
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.