OpenTechnical

OT-2026-000053010

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000053010) never changes.

Identity and time

Publication numberOT-2026-000053010 · never reused
Internal UUID01a0ae84-a430-7da3-bcb5-c6d72012bde4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053010
StatusPUBLIC

Content hashes

Canonical textbc642a187f601f11f9a8cbc3f60bbabf3c56c80a5ae038881f5738e479bfa27e
Markdown8d73f93a5d6a5d9b6b04b2153177f754808068f5b436adb222837cc214874fb2
PDF
Publication page1d9ee7821feabcb0700af4d8146aa75b5761ef8a299612074c3044a21955db81
Manifeste06d260e25be150e677ec203cdd16207d009cd25660d249aa976871400df4596

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
SignatureOPVfRk9lbqGCItyPlZNMUOqx+JBS1A2viSteWGuIgWUnPOo3Unkbjrob4NThuxNJojvEsk/NC5ampJndGg4WBg==
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

2026-09-17T10:56:42.506606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053010
observed 1d9ee7821feabcb0700af4d8146aa75b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.488576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053010/manifest.json
observed e06d260e25be150e677ec203cdd16207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.462701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053010/publication.md
observed 8d73f93a5d6a5d9b6b04b2153177f754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.436563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053010/publication.txt
observed bc642a187f601f11f9a8cbc3f60bbabf...
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.