OpenTechnical

OT-2026-000055518

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two 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-2026-000055518) never changes.

Identity and time

Publication numberOT-2026-000055518 · never reused
Internal UUID01a0ae86-a102-753c-b28c-d3c8451dd4a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055518
StatusPUBLIC

Content hashes

Canonical textd43d5d30133e28dca71bc2aa3a6d6af91d2b6aac8ad4dc83e9c39fc528309f65
Markdown215d385554b41a214fcb340a8d1af3c129b52a8e1495d2ecda618f615f7fe036
PDF
Publication page7f219a000f0a521645e4bc4a638d10928c5c79914959f2ae0b4af26cb97f1650
Manifest445c14dad736559ca793627413791a4e7be123992d33304dcac01c07d45d4148

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
SignatureQ/JS5BfEPbn50+MOhcTZ1IKRuVYg12X7WmbpZFpLIhUNIEUHmDqJg2KxfZPlbOwJJcUzZs5q8NHcdPBSYdPICg==
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

2026-09-17T10:52:11.662444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055518
observed 7f219a000f0a521645e4bc4a638d1092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.643696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055518/manifest.json
observed 445c14dad736559ca793627413791a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.624796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055518/publication.md
observed 215d385554b41a214fcb340a8d1af3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.606818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055518/publication.txt
observed d43d5d30133e28dca71bc2aa3a6d6af9...
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.