OpenTechnical

OT-2026-000056972

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down

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-2026-000056972) never changes.

Identity and time

Publication numberOT-2026-000056972 · never reused
Internal UUID01a0ae87-d5b5-7671-b1dc-347c512bba94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056972
StatusPUBLIC

Content hashes

Canonical text13d8382a3b29abefc92fe8b279c2de9e96848c758db5239108beec449c2613f0
Markdown35943e716638d1c7ed082fae3f772fd19e827e523e2123434036224df9c59fb8
PDF
Publication paged2faa1435e5bd34701ce6536473c3788a41fd53e1bca639f83af4e9cd628a3ff
Manifestbd5bb452d2b09718f5f96743fdbe7696cdc6a220b0741bd8e5061b09c0df9cd0

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
Signature2sy9dn1w6wdZYPZBVHFSyZ3Jah4vzVoCQISwX7MX3Nk0LVoaKdRBqPdFkS5sv0MXZgF7qx8Pk35a1X8er1tnBw==
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

2026-09-17T10:48:26.067508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056972
observed d2faa1435e5bd34701ce6536473c3788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.049635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056972/manifest.json
observed bd5bb452d2b09718f5f96743fdbe7696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.030744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056972/publication.md
observed 35943e716638d1c7ed082fae3f772fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.013409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056972/publication.txt
observed 13d8382a3b29abefc92fe8b279c2de9e...
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.