OpenTechnical

OT-2026-000089663

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000089663) never changes.

Identity and time

Publication numberOT-2026-000089663 · never reused
Internal UUID01a0ae9c-1a22-7915-a531-f65142e4c2d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089663
StatusPUBLIC

Content hashes

Canonical text8afb3703fd2e6559d3ffcde25453902f758a1995d15be92b4e7afab6b603c33a
Markdown77dc860d593b287f5562598926ac0e5d7326d124b85ca835546da879676bc827
PDF
Publication pageb05d6aca9a9ce7ca1c9f9ca926b8475020dd68039d03327ff0afea98d51fe725
Manifestc452aaf3a5addf5430a8d44985eabffd36a0fa72c169f90f8e01167051602b64

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
Signature+xf7jikYlbpOtuJGkO7tlIxWdaBj6JQV/ZdWfzQSo4zAjaPe9D2kog/xEDoH6dpUF48W3w1geo35ir0MYHcCBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:39.411075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089663
observed b05d6aca9a9ce7ca1c9f9ca926b84750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.393108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089663/manifest.json
observed c452aaf3a5addf5430a8d44985eabffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.376604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089663/publication.md
observed 77dc860d593b287f5562598926ac0e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.359041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089663/publication.txt
observed 8afb3703fd2e6559d3ffcde25453902f...
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.