OpenTechnical

OT-2026-000056684

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000056684) never changes.

Identity and time

Publication numberOT-2026-000056684 · never reused
Internal UUID01a0ae87-7af6-7116-a5be-237f4f253b12 · 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-2026-000056684
StatusPUBLIC

Content hashes

Canonical text1677a782d2bd4c803e3912fb4391d96976f4348f809a2328684dbe73c35ceb5c
Markdown855e5e672b5bf1a48a02d13d3dbf4582f740586d8a063bf442bbc5a5083386d8
PDF
Publication pagee8f8051f532cb7f2a2800f41701aa94efc4a1a54c132e3b93e9a5ea9845060ae
Manifest45b6eb963fe04829d07949a10d5278d3cc8bae5fe43f5256d11b73a8c28afde0

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
Signaturek1XsC02QItL7NrtY0qEX7mMX/0QYtyMaVaNgJUNmdjwc0fLSN/+q9w2YPqSAEC/TOepa1MX7J5nsb20LaiUWBg==
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

2026-09-17T10:50:05.115088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056684
observed e8f8051f532cb7f2a2800f41701aa94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.092792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056684/manifest.json
observed 45b6eb963fe04829d07949a10d5278d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.075014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056684/publication.md
observed 855e5e672b5bf1a48a02d13d3dbf4582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.055958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056684/publication.txt
observed 1677a782d2bd4c803e3912fb4391d969...
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.