OpenTechnical

OT-2026-000055817

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000055817) never changes.

Identity and time

Publication numberOT-2026-000055817 · never reused
Internal UUID01a0ae87-0a49-7cc6-8c54-faeb6794d907 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055817
StatusPUBLIC

Content hashes

Canonical text5846d82a2b1036cca808d74a15d9fe8ef566c8d22c85d4e3c9d4d39fc6bfa432
Markdownc669b61befe22cf5d718a611e92792e7135786d73427b9ba7aaf70e77ba01bb0
PDF
Publication page311803e69dd4b3b175047f0379f700565445883246c89915c8288f2849f77c2e
Manifest9dd1ea4eab91d770b141d938d53d5db9d057f787099ab5378a0ab67ecea3e640

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
SignatureGVil7/j1dJ2A4MrfapKl2O7JpYrKB/eHJ7ijj0Uoky/09kLJuj1fS2GGCikFjIlyqHFAbQ+VOhtImTYLC4loDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:10.090199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055817
observed 311803e69dd4b3b175047f0379f70056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.074452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055817/manifest.json
observed 9dd1ea4eab91d770b141d938d53d5db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.055602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055817/publication.md
observed c669b61befe22cf5d718a611e92792e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.038581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055817/publication.txt
observed 5846d82a2b1036cca808d74a15d9fe8e...
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.