OpenTechnical

OT-2026-000023283

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000023283) never changes.

Identity and time

Publication numberOT-2026-000023283 · never reused
Internal UUID01a0ae70-7267-72ed-9be7-9d9d8516600e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023283
StatusPUBLIC

Content hashes

Canonical text7be49244ffb5e326ee1742836d29409b4bd3455700b5bb3bd3450771e3c43c9b
Markdown2e03080a951912479ed22961ca23ed9060206d7ad49b3235cc91d685eaf4f337
PDF
Publication pagefbac404f26d5e1d97d6df3eb5ff58b70fd54b769fd4321167936003f8d7b1e15
Manifest0246e7c7c4412950554cd8694c0eca3629434464f8479393bcefbd3b8df23a43

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
Signature3J3P8C+kLDT6oGhOA6w0ESuFDqelkVJ88z3af1SMX3lKcAuVwiJO7FutGBC7iHUagWcwrVuOnQ3iOQBFGOidAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:21.579791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023283
observed fbac404f26d5e1d97d6df3eb5ff58b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.561217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023283/manifest.json
observed 0246e7c7c4412950554cd8694c0eca36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.544510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023283/publication.md
observed 2e03080a951912479ed22961ca23ed90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.525642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023283/publication.txt
observed 7be49244ffb5e326ee1742836d29409b...
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.