OpenTechnical

OT-2026-000048197

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000048197) never changes.

Identity and time

Publication numberOT-2026-000048197 · never reused
Internal UUID01a0ae80-4de2-72c7-80b0-a47efe4ac9f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048197
StatusPUBLIC

Content hashes

Canonical textd71aba0e1752e5079ff38c0541539ad6de5036a6092be935f4e5ecc7de8a6b9f
Markdowna1a16912d5b85e5255c7799dbce22100c989f6f34a6922dfb653e53a4733f6d8
PDF
Publication pageb3c5cce0f19cc333b57ade39282a9502f03e03dae9075a72b32a10667a34ec6f
Manifestc29feb6b7aa7673922954fc8324f162e783765b2c097476c3b68904ecf7cf8e7

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
Signaturee79xW2tD7nQbGeH03FH/QRFMlkYnMWiYcQU0hph6xMKe6CveoSlrDSwwYpyhuWXKkVUxeB+grJMLRoJ6lxARCw==
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

2026-09-17T11:04:44.469913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048197
observed b3c5cce0f19cc333b57ade39282a9502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:44.451190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048197/manifest.json
observed c29feb6b7aa7673922954fc8324f162e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:44.432395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048197/publication.md
observed a1a16912d5b85e5255c7799dbce22100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:44.411627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048197/publication.txt
observed d71aba0e1752e5079ff38c0541539ad6...
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.