OpenTechnical

OT-2026-000021868

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000021868) never changes.

Identity and time

Publication numberOT-2026-000021868 · never reused
Internal UUID01a0ae6f-bb5b-7928-bea6-a468f51d1658 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021868
StatusPUBLIC

Content hashes

Canonical textb3e0e799914804bae832a6ad30069759cbd07751ae8e31228be956e9c52af31b
Markdown68258ee0c492552b882fda3c3a4a55a555176940750cdfd322455c56e249b082
PDF
Publication pagead160f60cdacc399a38df732808be5edf7f49825bd4373f46ee2dcf42c8d0657
Manifest05acd9fa8276f509a58da9651298069dcc26eaa23366b3c2a94f39697fa33c42

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
SignaturepkgiZ9VUcalROVu25UishehnOrC6Qxczt/lG8TPF2rIZAaneKOXJBB+KDzO3OKS2QlUjyaqSpcS6b8DYQ7+bCA==
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

2026-09-17T11:54:25.944220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021868
observed ad160f60cdacc399a38df732808be5ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.925728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021868/manifest.json
observed 05acd9fa8276f509a58da9651298069d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.906606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021868/publication.md
observed 68258ee0c492552b882fda3c3a4a55a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.890294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021868/publication.txt
observed b3e0e799914804bae832a6ad30069759...
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.