OpenTechnical

OT-2026-000055898

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000055898) never changes.

Identity and time

Publication numberOT-2026-000055898 · never reused
Internal UUID01a0ae87-0a4a-7f4b-8951-ad506d8beefa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055898
StatusPUBLIC

Content hashes

Canonical text085fddbc9457d7cb71f725d06f1e96e81d1f730042ea715f67ba58ca1a1d0405
Markdown0c58db6b2871a63f16304caeeabac6784274291e6108b07bf75607a24f4cefc8
PDF
Publication page88f76deb766e2fd5e58711443f48deda58200162bf2941f84ea080f4ec2e98eb
Manifest2c462d958f7dfe548825405e6c20e4e8dc0a56a89394130cc697e1a3e18c47ed

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
SignaturegKOSueglpmKTruKJcoU3FmhW81vi7w2ooLhsTgi4qhZU4nnix4jXEF6H1hf7EJNcrn+2OWu4LdvelScPPmjoCw==
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

2026-09-17T10:51:23.843002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055898
observed 88f76deb766e2fd5e58711443f48deda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:23.823514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055898/manifest.json
observed 2c462d958f7dfe548825405e6c20e4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:23.806259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055898/publication.md
observed 0c58db6b2871a63f16304caeeabac678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:23.788503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055898/publication.txt
observed 085fddbc9457d7cb71f725d06f1e96e8...
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.