OpenTechnical

OT-2026-000055119

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000055119) never changes.

Identity and time

Publication numberOT-2026-000055119 · never reused
Internal UUID01a0ae86-5e82-73a8-8af2-835bfc3a4c6e · 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-2026-000055119
StatusPUBLIC

Content hashes

Canonical textc3f67267695e48c0ef71411f63806a8bf3622a568e59b9be037391ffe9b3f40b
Markdownd2bce8f2dc1951468a8164cd6d534f47fae951dde8b74318793796e9e5945a30
PDF
Publication pageb0d3a95d92f14294b00a69ce2b3469c13d33443a41556c75c07f0420415796a5
Manifest355e2c091e2d903c51d130c6d28856cf523d34579539eeddc586d94dd7378747

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
SignaturepF7VPpb0mMPRANx12nWOhV9UdQrpEsgx+1uT2Mk/NhtsYRd9dKNp1uTS2wxxaUy1TQUoetk5RXF3x/9/SQEUDA==
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

2026-09-17T10:53:17.077892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055119
observed b0d3a95d92f14294b00a69ce2b3469c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.056628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055119/manifest.json
observed 355e2c091e2d903c51d130c6d28856cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.038454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055119/publication.md
observed d2bce8f2dc1951468a8164cd6d534f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.019075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055119/publication.txt
observed c3f67267695e48c0ef71411f63806a8b...
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.