OpenTechnical

OT-2026-000048099

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000048099) never changes.

Identity and time

Publication numberOT-2026-000048099 · never reused
Internal UUID01a0ae7f-c423-7320-a538-9dd5f6ea00e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048099
StatusPUBLIC

Content hashes

Canonical text9b4d08141aed5d4ab746ad631a758181a6d455a5b7a57d21e45ef0e7c60a7351
Markdownb31ad4718753c3fa1bce17e3709cff65a8b8d1aa02f0a7871d1e4952ef02dc1b
PDF
Publication page1d91c52a0a2f9431622dea770cf1706014229849985ffe0efd0853ae24fb2624
Manifest89e65d5d0d570542735420a301106aa505cae26dc5236906f5d3c47acddb055f

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
SignatureAF1QaCvXut+bO6+bxTb53UiopEPoTyZOhmtWbP8rM7n0nir0EdD3F0CPc/Z990DkYBKpgBzWk2BAMbDGSWTLCQ==
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

2026-09-17T11:06:07.450177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048099
observed 1d91c52a0a2f9431622dea770cf17060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.432183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048099/manifest.json
observed 89e65d5d0d570542735420a301106aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.413912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048099/publication.md
observed b31ad4718753c3fa1bce17e3709cff65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.397795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048099/publication.txt
observed 9b4d08141aed5d4ab746ad631a758181...
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.