OpenTechnical

OT-2026-000055357

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000055357) never changes.

Identity and time

Publication numberOT-2026-000055357 · never reused
Internal UUID01a0ae86-a101-7f61-a17d-34bac32e9d45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055357
StatusPUBLIC

Content hashes

Canonical text6bf7060e383a5a34a47dd562a2a87ca5d7424a9efcaac10c2f6dced2feb38f75
Markdowna40fd4eeab4258b155a10d445630e3e25682314ccb993bf264bcc8cbae6ec9c4
PDF
Publication page34f33c70dc46d16164129ba49ff2b5d733895758f06fe89dfc062a59a95741c3
Manifestee8d6c8eef4f5cbf562fce0d4ece157a6134e839baba2bf0d147be9ae2fdf22a

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
SignatureRU1CowxaZfEPh7z5aqvkWL8xcoZsIG33kI6nXJzJArsZkWi3qVRYYTK3+HG8JC45xC2WTfb3XYtnf1WG80amAQ==
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

2026-09-17T10:51:59.094144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055357
observed 34f33c70dc46d16164129ba49ff2b5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:59.076134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055357/manifest.json
observed ee8d6c8eef4f5cbf562fce0d4ece157a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:59.059238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055357/publication.md
observed a40fd4eeab4258b155a10d445630e3e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:59.040653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055357/publication.txt
observed 6bf7060e383a5a34a47dd562a2a87ca5...
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.