OpenTechnical

OT-2026-000103177

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000103177) never changes.

Identity and time

Publication numberOT-2026-000103177 · never reused
Internal UUID01a0aea4-be3e-7772-8cea-daa7f45a9be4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103177
StatusPUBLIC

Content hashes

Canonical textcec5031ae79000fa206c81b843320127c7783e40a18caa3388e50b4d0d50b9b9
Markdowndbef8a935774f0de32fe7a0d13bf2ed0643e2da8fec4eb2601df67b38c41cf3e
PDF
Publication pagec744028ab8963d744182f8f3038eaf3053ab243da12ebec68723cc4a6eca967e
Manifest753d9c03741c41ede3ae211441b390c4a74885c07a63045e4464c360dc926edf

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
Signatureuk/r3bTvYMuthTCj+TJIehZjGS0ZNkPL18mFc/lRDY6AzrntdNU06SnW+fnKQVCIgVp7Wm7BPkPQIMkocfOxBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:23.782915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103177
observed c744028ab8963d744182f8f3038eaf30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.760723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103177/manifest.json
observed 753d9c03741c41ede3ae211441b390c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.740517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103177/publication.md
observed dbef8a935774f0de32fe7a0d13bf2ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.722038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103177/publication.txt
observed cec5031ae79000fa206c81b843320127...
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.