OpenTechnical

OT-2026-000054361

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000054361) never changes.

Identity and time

Publication numberOT-2026-000054361 · never reused
Internal UUID01a0ae85-b3aa-74d3-a621-77683bdf6e5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054361
StatusPUBLIC

Content hashes

Canonical text0bccef87e75667fc8eeff9ea3913191fd992f0deacafcdcb9d58c89af56a4a45
Markdown564af6769d221fbea1829563018ff46c44bfa0bad6a153e897cc8f91157f23e4
PDF
Publication pagec672043dfe58436c7c6fe2f6b96e18f5ea43fc785743eaf1b0a4749c3b7b7d7e
Manifest016ea7429a8261669b3f44e104017947bf960f344b8c8b962fe0182a39c0f0fb

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
SignatureiOjluICqViiFdeZ6bG45aIzOXyNjYI4j1blvSgc3xhJg/Ym8OTgIUqgt8m9TqJoqbU4eQwzx80sAAo4oHeBQAg==
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

2026-09-17T10:54:53.072997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054361
observed c672043dfe58436c7c6fe2f6b96e18f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.055318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054361/manifest.json
observed 016ea7429a8261669b3f44e104017947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.035419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054361/publication.md
observed 564af6769d221fbea1829563018ff46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.015698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054361/publication.txt
observed 0bccef87e75667fc8eeff9ea3913191f...
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.