OpenTechnical

OT-2026-000054909

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000054909) never changes.

Identity and time

Publication numberOT-2026-000054909 · never reused
Internal UUID01a0ae86-5e7f-7614-8a02-678b0efbc3ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054909
StatusPUBLIC

Content hashes

Canonical textbb3b814d315ec6f885b8f273065b4c92fbdfcbde47c84d8292777ebe0703a6ec
Markdown9f82fe83e0c8cac0a5f34edeb7808f2cfcc4041d2a1dcf1af98eff597053688b
PDF
Publication page23ce77ab8cede2d43e8f5f028544535bc92e9cf2e05416646e6a1d94dfafc961
Manifest3042c971582b12218523cce22b887c55558fb32cd4b8a31154460d2488c9f0a3

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
SignatureQJq5c+TDMf5Gvmas2EsLPt0fqj23MUM31/0ItB0ETWxagXRCrQZT9kyotnFcnxRIiz0h8B9evX94BJq/7ukXBw==
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

2026-09-17T10:53:00.383062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054909
observed 23ce77ab8cede2d43e8f5f028544535b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.362862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054909/manifest.json
observed 3042c971582b12218523cce22b887c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.294614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054909/publication.md
observed 9f82fe83e0c8cac0a5f34edeb7808f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.161489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054909/publication.txt
observed bb3b814d315ec6f885b8f273065b4c92...
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.