OpenTechnical

OT-2026-000055926

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000055926) never changes.

Identity and time

Publication numberOT-2026-000055926 · never reused
Internal UUID01a0ae87-0a4a-7cf7-bf5d-794274bf5473 · 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-2026-000055926
StatusPUBLIC

Content hashes

Canonical text1bbc2ff7889155c38b05cdee53bc0d3ef6d24e8eaae0659f238c762d23f0ba53
Markdown01e51bf622d6f6f7120041b4ef7b78bdbaa5cd5e5a7baf079d3b9f1972268571
PDF
Publication pageadf18dc96d1b01c3650c66baef0c855852745478b26db88ef2f9fbc4ee887ee4
Manifest1256a6527991b95f5a7b405c18a08fe4ce2c5a081f8dabaf688e75a7905a166c

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
SignaturexrlmArcCJVrxr6IEZ6Fi7jyDxtEkc/iJXnZMOznn1Y/+4emsnNfxmdMeMUX8fvesG46L0CwMrh9nF8D5PIYpCQ==
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

2026-09-17T10:51:26.218415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055926
observed adf18dc96d1b01c3650c66baef0c8558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.201944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055926/manifest.json
observed 1256a6527991b95f5a7b405c18a08fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.184802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055926/publication.md
observed 01e51bf622d6f6f7120041b4ef7b78bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.167909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055926/publication.txt
observed 1bbc2ff7889155c38b05cdee53bc0d3e...
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.