OpenTechnical

OT-2026-000056628

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000056628) never changes.

Identity and time

Publication numberOT-2026-000056628 · never reused
Internal UUID01a0ae87-7af5-7475-ab40-d027cc3ef72b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056628
StatusPUBLIC

Content hashes

Canonical text30255c496f77624e0fa4f8d4b6462cdf5da349ebce9690385af93bc92db460b2
Markdown2147dbcb6d7633d5fbf48bf4e7909e55b96076ee6f2862cf91639a23fc3e17dd
PDF
Publication page2183d560652811fe1ec791d13336d2c70516bcab15200fae827592deb19d6036
Manifest903e8fe55f6a68fc9c45a81528e4932999bb0aa73e5f19fc9b1ffd8776f3e950

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
SignatureTNHpIKt5d/obq3xT5cAhY2Jlxy+5Rjm6wL4dZRCbEYSN/BKns7qEED98VMYGT98jtIYXKxBPiHjzdIfmb/skDQ==
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

2026-09-17T10:49:59.145890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056628
observed 2183d560652811fe1ec791d13336d2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.128378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056628/manifest.json
observed 903e8fe55f6a68fc9c45a81528e49329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.110020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056628/publication.md
observed 2147dbcb6d7633d5fbf48bf4e7909e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.092549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056628/publication.txt
observed 30255c496f77624e0fa4f8d4b6462cdf...
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.