OpenTechnical

OT-2026-000055394

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000055394) never changes.

Identity and time

Publication numberOT-2026-000055394 · never reused
Internal UUID01a0ae86-a101-7785-9205-336c75bf0f4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055394
StatusPUBLIC

Content hashes

Canonical text6ab68a3c3969d4aed7b757f51d2a7e2400aa8051ae4e1c41a08ad415c10bb150
Markdown0ee4e2ef44ad42d553fd9e606b659a7947a87f196fec89c81974b51084d0222f
PDF
Publication page9644a7421c077b4e3d1c9c1a79295c835587b84874cdaa7ed2f38a1ad4e4c10b
Manifest95067f7a868c6c2ca94fd4a4ea3e38dc1fe7c47bf3c079798d0327cb4d42eccf

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
Signature0r6OFTlScdeZNC2SYPFNqbWM6zJ7kmIlYb65R0v0fW5iagc4jye0+AkJWWVrnAePTX2JoOsYhPJTgbXp1QXFDA==
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

2026-09-17T10:52:01.989353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055394
observed 9644a7421c077b4e3d1c9c1a79295c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.973092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055394/manifest.json
observed 95067f7a868c6c2ca94fd4a4ea3e38dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.956521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055394/publication.md
observed 0ee4e2ef44ad42d553fd9e606b659a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.939546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055394/publication.txt
observed 6ab68a3c3969d4aed7b757f51d2a7e24...
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.