OpenTechnical

OT-2026-000048507

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000048507) never changes.

Identity and time

Publication numberOT-2026-000048507 · never reused
Internal UUID01a0ae80-4de6-739e-a579-88b2dc2ad4c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048507
StatusPUBLIC

Content hashes

Canonical textb8dbcc9537166fcc3325752f982526a3715b857d10f2d1f1630319315a103b2e
Markdowned014f1ff0267ce4d74bc79dbf8afa2d2dc3572672fbb5040c7aa58697972658
PDF
Publication page613d34ae0bd2b088187a74dfad560e4b0ed240b57bab721955a8c6d8339521cc
Manifest44ad6e635ea4c3b4ea6c5269266787c06f91a1505e05e292d2cc8ad51af4522c

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
SignatureMzHx0y1lDiJaj2p3r0ofGHjBArzKY0kpdLTa4IZfBDgAczzXpBEhp0l0Kx+Q6l/rxhRCsRJhAjfFUlKrM6G4CA==
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

2026-09-17T11:05:11.004256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048507
observed 613d34ae0bd2b088187a74dfad560e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.984695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048507/manifest.json
observed 44ad6e635ea4c3b4ea6c5269266787c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.965965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048507/publication.md
observed ed014f1ff0267ce4d74bc79dbf8afa2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.947927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048507/publication.txt
observed b8dbcc9537166fcc3325752f982526a3...
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.