OpenTechnical

OT-2026-000060889

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000060889) never changes.

Identity and time

Publication numberOT-2026-000060889 · never reused
Internal UUID01a0ae8b-12f1-7fa7-b760-d15ec631ea59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060889
StatusPUBLIC

Content hashes

Canonical text0fb96acdcbadefc12c24ef27c42676d751a353c092ff4a0bdc30db7df3a1a9fa
Markdown4b96e3c1e8d0a2afe0f017cf46acd7000d1bf274adb639e9bcb7390e18f83fe1
PDF
Publication page9577099080f90008e894e6267ef406d69da718ce4a79d38ca5a222488b718cbd
Manifestb3f64a73347f70cabed25c1cb058b940ed0b0a40a114df75dc5863359f2feca3

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
SignatureHnCkNyrv0rrtiO2l4hBUfBCedr6oaph1kkzZ3P9t05OE4I9RRYxLDT7MdWBo9Swv1g4Jayl1WJLvQOji22vwBg==
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...

Independent retrieval

2026-09-17T10:41:37.485881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060889
observed 9577099080f90008e894e6267ef406d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:37.466740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060889/manifest.json
observed b3f64a73347f70cabed25c1cb058b940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:37.446910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060889/publication.md
observed 4b96e3c1e8d0a2afe0f017cf46acd700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:37.428276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060889/publication.txt
observed 0fb96acdcbadefc12c24ef27c42676d7...
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.