OpenTechnical

OT-2026-000077139

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single 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-2026-000077139) never changes.

Identity and time

Publication numberOT-2026-000077139 · never reused
Internal UUID01a0ae94-f507-7549-b79d-0bcc8cbb3040 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077139
StatusPUBLIC

Content hashes

Canonical text7ec9ed6d518dc61f962b619ffecdd62b5ea148ad0c2801430c3750f6d0f2dfe0
Markdown849869a34b4d461cbf564c61da04bcfaf5b44c01dc5b7fae681bac946607a7c5
PDF
Publication page97da6d7cccebd8d010ed4ed7367c1bdd5b08fe5095eed7a7341c5752447e6668
Manifestb0b9d058f1e2e67a4825b2d3c806263bceb2adc8b01a7f9df60e488ae72cf6d4

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
SignatureO1ZYPho2XKrlTT5ABJJ9ZB9OT06ebXAqQItDbKmmyP9A0/FilTN7YnOH73xplC1bOjd1CSsXaL2rFNasZPvmDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:11:44.275359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077139
observed 97da6d7cccebd8d010ed4ed7367c1bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:44.251192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077139/manifest.json
observed b0b9d058f1e2e67a4825b2d3c806263b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:44.232911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077139/publication.md
observed 849869a34b4d461cbf564c61da04bcfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:44.204840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077139/publication.txt
observed 7ec9ed6d518dc61f962b619ffecdd62b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.966225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077139
observed 97da6d7cccebd8d010ed4ed7367c1bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.947178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077139/manifest.json
observed b0b9d058f1e2e67a4825b2d3c806263b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.929734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077139/publication.md
observed 849869a34b4d461cbf564c61da04bcfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.910753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077139/publication.txt
observed 7ec9ed6d518dc61f962b619ffecdd62b...
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.