OpenTechnical

OT-2026-000055820

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000055820) never changes.

Identity and time

Publication numberOT-2026-000055820 · never reused
Internal UUID01a0ae87-0a49-799a-8280-2ebb5ea36c42 · 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-2026-000055820
StatusPUBLIC

Content hashes

Canonical text4850f883dab579e182911fd218efa7772b08238743fec4f36d2793e820018f8c
Markdown793c00710c91b37d31062c615d1782b9f16692e8670dce92f4d0d7c33b0820a3
PDF
Publication pageb8ec8986483c5764436322c4216a277b5344c639d45c7def10daf21ba0dca80c
Manifest4197928abde3b06c7002a75065195310753783e19152924793f91ac4f9f7792c

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
SignatureAY+2RhIT8MFRfWSLPQ5S4G1ffTOFTwkvSJLi7GDtw8bP8q5piapacAg5kC2Mnakyxf2joypWIMQJqCI+z0eVDw==
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

2026-09-17T10:51:11.954058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055820
observed b8ec8986483c5764436322c4216a277b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.936007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055820/manifest.json
observed 4197928abde3b06c7002a75065195310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.917100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055820/publication.md
observed 793c00710c91b37d31062c615d1782b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.900524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055820/publication.txt
observed 4850f883dab579e182911fd218efa777...
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.